Alfred Yetta (L) and Kay Manning pose for a photo in front of a cardboard cut-out of Pope Francis, during an event organised by Christa Scalies, the co-creator of the Pop-Up Pope, in Fado Irish Pub & Restaurant in Philadelphia, Pennsylvania, September 16, 2015. (Photo by Mark Makela/Reuters)

This extraordinary series of close-up photos turns mundane insects into terrifying beasts from another world. The bugs are captured in intricate detail by photographer Javier Ruperez, using a special lens, revealing just how complex the tiny creatures are. (Photo by Javier Ruperez/Solent News & Photo Agency)

Michael Pankratz’s intriguing works focus specifically on the feet of tarantulas – an appendage that many have perhaps never focused on. The extreme close-ups of tarantulas’ “paws” show fine, colourful hairs, and sharp claws. Here: Brachypelma albopilosum, foot detail. (Photo by Michael Pankratz/Caters News Agency)

Visarute Angkatavanich gets incredibly close up to capture these stunning portraits of Siamese fighting fish in graceful, dancerly poses. The Thai photographer uses perfectly placed lighting to create the dramatic highlights and shadows that give personality to each little finned creature.

In this November 9, 2014 photo, a man sits on the rope holding his bull by the neck as he waits to enter it in a bull fight in Leogane, Haiti. The obscure Haitian practice of fighting bulls is brutal like a cock or dog fight, but on a larger scale. A casual pastime for some rural men, it is serious business for others looking to pay their children's school fees or even buy a car. (Photo by Dieu Nalio Chery/AP Photo)

Iranian-Kurdish female fighters hold their weapons during a battle with Islamic State militants in Bashiqa, near Mosul, Iraq on November 3, 2016. (Photo by Ahmed Jadallah/Reuters)

A motorized three-wheeled taxi carrying Muslim students drives past the Starbucks cafe where Thursday's attack occurred in Jakarta, Indonesia, on Friday, January 15, 2016. A day after attackers detonated bombs and engaged in gunbattles with police in the central part of Indonesia's capital, Jakarta tried to get itself back on track. (Photo by Dita Alangkara/AP Photo)

Israelis in costumes spray water on each other during the annual Tel Aviv Water War on Hbima Square in Tel Aviv, Israel,10 July 2015. The annual water fight is on his 11th edition. (Photo by Abir Sultan/EPA)