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Mandarin Fish, Cairns Aquarium, Australia (by David Clode)

Martiros Saryan Street, Yerevan, Armenia (by Levon Vardanyan)

Night Photography (by Noe Alonzo, noealz.com)

Purple and Blue 3 (there are quite many of these) (by Hiep Duong

Cave of the Crystals, Naica Mine, Mexico (by Carsten Peter)

Mandarin Fish, Lembeh Strait, Indonesia (by Dorothea Oldani)

Mantis Shrimp, Lembeh Strait, Indonesia (by Dorothea Oldani)

Watzmann Glacier, Ramsau, Germany (by Daniel Seßler)

Horsetail Fall Sunset, Yosemite, California (by Cedric Letsch)

Purple and Blue again (by Piotrek)

Window (by Denny Müller)

Jellyfish (by Patrick Schöpflin)

Metro Station Savelovskaya, Moscow, Russia (by Sasha Yudaev)

Mount Agung (?), Bali, Indonesia (by Aron Visuals)

Tokyo Night Timelapse

Sally Light-foot Crab, Galapagos, Ecuador (by Jacob Hinkston)

Hong-Kong Neon Sign (by Airam Dato-on)

Snowy Night in New York (by Andre Benz)

Antelope Canyon, Arizona, USA (by Ameer Basheer)

Telephone (by Andrea Ferrario)