“Sniff out the Appenzell Cheese”. Alexander Hunter, 30, of Greenwich, Conn., took this photo in Appenzell, Switzerland, in September 2014. (Photo by Alexander Hunter)

Belgium-based filmmaker Vincent Bal turns shadows into opportunities to daydream, creating doodles out of the various shapes.

A man surfs during a local competition in the Mediterranean Sea, near Ashdod, Israel November 17, 2016. (Photo by Amir Cohen/Reuters)

Coulpe in bed, secret lover hiding. (Photo by Peter Cade/Getty Images)

A woman dressed in a costume poses for a photograph at Tokyo Comic Con at Makuhari Messe in Chiba, Japan December 2, 2016. (Photo by Issei Kato/Reuters)

Traffic police stand at the side of a road in Pyongyang on November 25, 2016. (Photo by Ed Jones/AFP Photo)

Saint Nicholas poses with students during a traditional parade in central Brussels, Belgium December 3, 2016. (Photo by Yves Herman/Reuters)

A teller at a money changer handles Indonesia rupiah bank notes in Jakarta, Indonesia November 11, 2016. (Photo by Darren Whiteside/Reuters)