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hospital medical equipment heart monitor vital statistics (photos professionally retouched - Photoshop action added)
Mountain with blue sky in autumn
Jianmen Pass scenery in Sichuan, China
Yen sign, yuan symbol in digital background environment
Close-up showing resistors on a power board
semiconductor
Chinese Pinyin alphabet
Peaks and trees deep in the mountains
Seoraksan National Park, The best of Mountain in South Korea.
Movable type printing, Letterpress printing made of metal, partial close-up, Chinese word
Person's Hand Marking Number On Lottery Ticket With Pen
3d Flying Abstract Green In the Background Russian Rubles icon, Concept of Economy and Finance Concept (Depth of field)
Japanese divorce registration material
A key rests on top of a closed book.
Internal structure
Bar Code with Neon Lighting on Black Background, 3d render.
Betting slip, close up
Two general purpose computer punch cards with slightly different printing, one orange and one green.
Photo of mountainous landscape 
Files on digital background
Qinling Mountain Range in Shaanxi Province, China, peaks, meadows and valleys in cloudy autumn
Close up of a wood Sudoku Game Board with puzzle in progress.
Mountain natural environment, North China
In Western Colorado Parts of a School Class Room Getting Ready For Back To School Photo Series (Shot with Canon 5DS 50.6mp photos professionally retouched - Lightroom / Photoshop - original size 5792 x 8688 downsampled as needed for clarity and select focus used for dramatic effect)
Bukhansan National Park, Seoul, Gyeonggi-do, South Korea, spring landscape view during hike to Baegundae summit peak, process of trekking and climbing to Bukhan mountain, travel and hiking in Korea
digital cube, processor, cyberspace
Mountain cliffs
Linzhou City, Anyang City, Henan Province,\nLinzhou Grand Canyon, also known as Taihang Mountain Grand Canyon, is located at the eastern foot of the South Taihang Mountain, 50 kilometers long from north to south, 1.5 kilometers wide from east to west, with a total area of 89 square kilometers.\nLinzhou Grand Canyon is a national scenic spot and a national AAAA tourist attraction with high cliffs, towering peaks, interlacing Taiwan walls, Cangxi turbulent waters and waterfalls.
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Longhu Mountain Scenery in Jiangxi, China
Free Images: "bestof:乐律全书全-2297.jpg en Zhu Zaiyu's equal temperament tuning instrument 1584 The Complete Compendium of Music and Pitch Prince Zhu Zaiyu PD-old-100 Uploaded"
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Stella guitar, in front of vintage upright piano (2014-06-21 by Tammie) Pixabay - guitar-439938.jpg
hammond-organ-music-568672.jpg
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Willem III, prins van Oranje, koning van Engeland en stadhouder Rijksmuseum SK-A-367.jpeg
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