A man dressed as Ironman takes a seat in the cafeteria on the second day of the London Super Comic Convention at the ExCel centre in east London, on March 15, 2015. (Photo by Justin Tallis/AFP Photo)

The shadow of a partial eclipse is cast on to the cheek of a student on the roof of the Jana Dlugosza Academy in Czestochowa, Poland March 20, 2015. (Photo by Grzegorz Skowronek/Reuters/Agencja Gazeta)

The first seal pup to be born this season at a major colony of grey seals on the Farne Islands sits beside its mother on Brownsman Island, England on September 30, 2015. (Photo by Owen Humphreys/PA Images)

A workman walks past a large mural on the side of a building during the “Sand Sea & Spray” Urban Art Festival in Blackpool, north west England on July 11, 2015. (Photo by Oli Scarff/AFP Photo)

An officer of a Libyan anti-illegal immigrants unit conducts an early morning raid on migrants at hideout in Tripoli, Libya October 13, 2015. Libyan security forces charged with curbing illegal migration raided a hide-out for illegal migrants in Tripoli on Tuesday. (Photo by Hani Amara/Reuters)

A 3D printing professional wears his T-Rex skull creation during a 3D printing show in Brussels, Belgium, October 18, 2015. (Photo by Eric Vidal/Reuters)