totallypuzzled

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Night Photography (by Noe Alonzo, noealz.com)

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

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

Snowy Night in New York (by Andre Benz)

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

Telephone (by Andrea Ferrario)

Purple and Blue again (by Piotrek)

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

Window (by Denny Müller)

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

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

Watzmann Glacier, Ramsau, Germany (by Daniel Seßler)

Antelope Canyon, Arizona, USA (by Ameer Basheer)

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

Jellyfish (by Patrick Schöpflin)

Scorpionfish, Koh Tao, Thailand (by Wouter Naert)

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

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

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