Insect breeder Adrian Kozakiewicz holds up a praying mantis (Deroplatys desiccata) in Waldbronn, Germany, 1 February 2017. Kozakiewicz and his insects became popular on different social media networks, including 270,000 likes on Facebook, 55,000 followers on Instagram and hundreds of thousands of views on his YouTube channel. Photo: Uli Deck/dpa