A woman holds a skull during a “Dia de los natitas” (Day of the Skull) ceremony at the Cementerio General of La Paz. (Photo by David Mercado/Reuters)

“The banker”. Underwater Sculpture, Museo Subacuático de Arte, Cancun. (Photo by Jason deCaires Taylor/UnderwaterSculpture)

The tail of a stranded whale is pictured on the beach of De Haan, Belgium on October 25, 2018. (Photo by Francois Lenoi/Reuters)

A worker carries a basket of fish, at a wholesale fish market, on the outskirts of Kolkata, March 15, 2017. (Photo by Rupak De Chowdhuri/Reuters)

Costumed revellers walk in the streets of Lucerne during the annual carnival parade on Rose Monday March 3, 2014. (Photo by Sigi Tischler/AP Photo/Keystone)

Flamingo chicks walk in an enclosure before they are tagged in Fuente de Piedra, Spain, on Jule 19, 2014. Fuente de Piedra lagoon is a natural reserve with more than 170 different species recorded and one of the main breeding grounds for flamingos in the Iberian Peninsule. Hundreds of flamingo chicks are tagged and checked annually to record the evolution of the species. (Photo by Pablo Blazquez Dominguez/Getty Images)