A butterfly flies into the jaws of a crocodile inhabiting the Tarcoles River, the most polluted basin in Central America and one of the most polluted in Latin America, in the place of Tarcoles, province of Puntarenas, Costa Rica, 05 June 2018. Costa Rica, a country recognized worldwide for its environmental policies, seeks to be a leader in the replacement of single-use plastic with renewable and compostable alternatives, despite its lag in terms of recycling and integrated waste management. (Photo by Jeffrey Arguedas/EPA/EFE)

In this July 20, 2018 photo, Joshep Balta, a clown named “Cachupito”, peers through the tent curtain to see how many people are waiting for the show, put on by the International Circus, set up in the shanty town of Puente Piedra on the outskirts of Lima, Peru. Balta, a 12-year old clown whose parents work at the circus setting up and breaking down the encampment, was discovered by the circus two years ago when he was performing as a clown at street corners. (Photo by Martin Mejia/AP Photo)

Two brown bears bathe in their enclosure at the Wildpark Poing in Poing, Germany, Wednesday, August 8, 2018. (Photo by Lino Mirgeler/Deutsche Presse-Agentur via AP Photo)

Cambridge policemen, known as “Bulldogs”, lined up for the University Bulldogs Chase, dressed in morning coats and top hats, 7th March 1936. (Photo by H. Allen/Topical Press Agency/Getty Images)

Ayah, 37, weeps as she is embraced by a police officer during a demonstration against the Danish face veil ban in Copenhagen, Denmark, August 1, 2018. (Photo by Andrew Kelly/Reuters)

A cow is seen on land that used to be under water, at the Aculeo Lagoon in Paine, Chile, May 14, 2018. (Photo by Matias Delacroix/Reuters)

The US' winner Mikaela Shiffrin celebrates during a flowers ceremony after the women's Super G event of the 2019 FIS Alpine Ski World Championships at the National Arena in Are, Sweden, on February 5, 2019. (Photo by Denis Balibouse/Reuters)

Team Alberta skip Kevin Koe makes a shot during the 10th draw against team British Columbia at the Brier curling tournament in Brandon, Manitoba, Tuesday, March, 5, 2019. (Photo by Jonathan Hayward/The Canadian Press via AP Photo)