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Stock photos and images of username:LeoWolfert

Geothermal energy at the heart of the energy transition, the so-called Energiewende. Geothermal power plant push button being activated by touch. Industrial metaphor for renewable energy. Copy space. Arm in corporate suit raising index finger to push a wind energy button in touch screen interface. Wind, solar and geothermal power icons lighting up, while traditional power stations remain inactive. Close up on opened-up cracks in the weathered plaster of an ancient exterior wall. Rough, porous stone surface with aging patina. Beige and gray color with rust brown freckles. Texture for background. Close up on the brittle texture of plaster covering an exterior load-bearing wall. Porous surface, weather-worn patina. Two-dimensional architectural detail for background use. Gray color with spots. Wavy grain texture of an ancient stone building block. The marble squared stone is part of the exterior facade of an old building. Beige and gray color with black grooves. Close up. Flat background. Rough texture of an ancient block of stone part of an external wall. Cavernous rock structure with brittle surface. Pale gray and beige colors with dark streaks. Close up shot outdoors on a tripod. Papaya halved with a longitudinal cut. Succulent orange colored fruit pulp and peppery dark seeds. Fruit of the tropical Carica papaya. Close up with selective focus. Studio shot on white background. Hollowed out half of a raw papaya in longitudinal cross section and its countless peppery seeds on a white plate. Succulent breakfast fruit of the tropical Carica papaya. Close up. White background. First cut through a hollowed out half of a papaya. Finger tips of the left hand of a chef are fixing the fruit on a wooden cutting board, while his right is guiding a kitchen knife. Cutout. Close up. Arm in business suit is pointing index finger at a blank cloud computing icon. Do place your message, product or artwork into the empty cloud symbol! Cutout isolated on white background. Copy space. Arm in business suit aiming at a closed lock in a cloud computing symbol. Transparent interface icon or key on touch screen. Metaphor for secure access and cyber-security. Cutout isolated on white. Finger of a corporate person touching a cloud computing icon containing a closed lock symbol. Technology metaphor for secure mobile computing. Arm in dark blue business suit over blue background.. Arm of a corporate person in suit is reaching out to touch a cloud computing symbol containing an email icon. Business metaphor for mobile computing and instant information access. Blue background. Forearm of a corporate manager pointing at a floating cloud icon. Do place your artwork or copy onto the void cloud symbol! Business metaphor for mobile computing and instant access. Blue background. Cutout of forearm raising an index finger to point at an email icon inside a cloud computing symbol. Business or technology metaphor for mobile computing and instant information access. White ground. Forearm in blue corporate suit is reaching out to touch a swarm of emails in the shape of a cloud. Business or technology metaphor for mobile computing and instant information access. Copy space.. Copy space in transparent cloud computing icon which is being activated by touch. Hand in close up stretching its index finger to reach the cloud button. Light blue background. Technology metaphor. Arm of a business person aiming index finger at many email icons forming a cloud. Technology metaphor for mobile computing. Transparent touch screen interface. Copy space. Cutout on white background. Hexagonal wind power icon selected by touch. Six buttons with smoking factory symbols for conventional energy generation do remain grey. Metaphor. Close up with linear gradient blue background. Blue wind energy icon selected by touch. The right index finger of a business person is choosing this renewable energy symbol in an interface with hexagonal smoking factory buttons. Cutout on white. Right arm of a business man in dark blue suit is pointing at a solar energy icon. Lighting up in yellow, the solar power button is standing out from grey factory symbols. Metaphor for energy turn. Wind energy icon flashing in blue upon touch by a hand of a business man. The wind power push key is at the center of a circular arrangement of interface buttons depicting factories. Cutout on white. Hand of a business person activating a solar power icon by touch. The solar energy button is flashing yellow at the center of interface keys depicting grey factory symbols. Metaphor for energy turn. Arm of business person aiming index finger at a geothermal energy icon at the center of a virtual interface. Hexagonal buttons with grey smoking factory symbols surround the geothermal power key. Solar energy button activated in a virtual interface full of smoking factory icons. Metaphor for energy transition, also called Energiewende or energy turn. Cutout isolated on white background. Electric power generation through wind energy. Arm of a business manager activating a wind turbine symbol on a touch screen interface. Metaphor for energy transition, the so called Energiewende. Geothermal power generation icon activated by touch. Electricity production through geothermal energy. Metaphor for energy transition, renewable energy and Energiewende. Cutout on white background. Currency symbols transferring between an open hand and a blank cloud computing icon. Yen, Pound, Euro, Rupee and Dollar signs floating in mid-air above the left palm of a business person. Close up. Rough surface texture of a weathered block of stone set into the exterior wall of an ancient building. Flat background for two-dimensional spatial compositions. Close up shot outdoors on a tripod.. Porous surface texture of an old exterior brick wall. Background with patina of crumbling Venetian red plaster. Hints of ocher and burnt sienna color hues. Cracks showing. Outdoor shot on a tripod. Many green asparagus spears arranged to form a circle. Their tips point inward to a heart shaped strawberry in the middle. A second ring of white asparagus tips is placed atop the green ring. Cutout. Open palm of a hand of a business person facing upward towards a void cloud icon above. Do place your product or artwork in the center! Metaphor for cloud computing. Copy space. Blue background.. Data in the form of digital zeros and ones are flowing between an empty cloud and an open palm of a business person. Metaphor for mobile computing and data exchange. Dark blue gradient background. Big data discovered in a parallel data stream flowing between an open palm and a blank cloud computing icon. Business metaphor for big data technique and technology. Close up on blue background. Several email icons floating between an open male palm and a cloud symbol hovering above. Business metaphor for electronic mail via cloud computing technology. Cutout isolated on white background. Open palm of a male hand facing upward towards an empty cloud icon above. Space for artwork and copy in the center. Metaphor for cloud computing. Cutout isolated over white background. Close up.. Papaya cut in half along the longitudinal axis of its oblong shape. A chef’s right hand is guiding a kitchen knife, while his left is keeping the fruit in place. Cutout on white background. Close up. Male index finger activating three renewable energy icons. Hexagonal symbols for solar, wind and geothermal power generation are lighting up. Four smoking factory buttons remain greyed out. Close up. Solar, wind and geothermal power generation icons being chosen by the hand of a business man. Three activated hexagonal buttons lighting up in color, while factory symbols stay grey. Cutout on white. Close up on the weather-worn surface of a wooden window shutter. The texture of peeling paint is overlaying the vein of the wood. Iron mountings running horizontally across. Outdoor shot on tripod. Close up on the texture of cracks and crevices in an ancient, sun-withered stone wall. Two-dimensional surface structure for use as solid background. Outdoor shot with camera mounted on tripod. Texture of a medieval brick wall. Warm sienna and ocher in color. Venetian red plaster chipping off. Grainy surface, but relatively even. Two-dimensional background. Close up shot outdoors on tripod. Halved papaya fruit being cut into slices with a sharp kitchen knife on a wooden cutting board. Half a pawpaw fruit and an entire papaya placed next to it. Orange colored fruit pulp. White background. Many email icons landing in an open palm. Or rising up from the hand into a receptive cloud computing symbol. Business metaphor for online correspondence and mobile computing. Steel blue background.. Many email icons leaving a smart phone to shape a cloud computing symbol. The mobile device is resting in the open palm of a hand of a business man. Blue background with smooth gradient. Close up. Numerous email icons rising from an open palm of a hand to shape a virtual cloud. Business symbol or metaphor for cloud computing. Cutout isolated on white. Artwork space for your smart phone product. Index finger is selecting renewable energy icons via a virtual interface with hexagonal buttons. The selected symbols for solar, geothermal and wind power are lighting up over a dark blue background. Many green asparagus spears arranged to a circle. Tips pointing inwards to a heart-shaped strawberry in the center. Cutout isolated on white. Selective focus on the fruit and front half of the ring.. One single strawberry is standing out from a crowd of many strawberries. Its green leaves are facing up, while all other strawberries are upside down. Cutout isolated on white background. Close up.. One single tangerine kumquat standing out from a crowd of red strawberries. Metaphor for a distinguishable individual in any group. High camera angle. Cutout isolated on white background. Close up.