Pope Francis celebrates an open air mass at Contecar—Cartagena's maritime terminal—during the last day of his visit to Colombia on September 10th, 2017.
(Photo: Rodrigo Buendia/AFP/Getty Images)
People hold a banner reading "Independence now!" in Catalan as they gather during a pro-independence demonstration, on September 11th, 2017, in Barcelona during the National Day of Catalonia. Hundreds of thousands of Catalans were expected to rally to demand their region break away from Spain in a show of strength three weeks ahead of a secession referendum banned by Madrid.
(Photo: Josep Lago/AFP/Getty Images)
People look at a dead grey whale washed ashore at Maria Martha beach on September 12th, 2017, in the Rosarito, Baja California state of Northwestern Mexico.
(Photo: Guillermo Arias/AFP/Getty Images)
A boat floats on polluted water on the coast of Salamis Island on September 13th, 2017, in Salamis, Greece. The small tanker, Agia Zoni II, sank on September 10th while anchored off the coast of Salamis, near Greece's main port of Piraeus. It was carrying a cargo of 2,200 tons of fuel oil and 370 tons of marine gas oil.
(Photo: Milos Bicanski/Getty Images)
President of Catalonia Carles Puigdemont arrives at a meeting to launch the self-determination referendum campaign on September 14th, 2017, in Tarragona, Spain. The vote on breaking away from Spain was called by the Catalan government for October 1st, 2017, but is suspended by the Spain's Constitutional Court following a demand from the Spanish government.
(Photo: David Ramos/Getty Images)
Protesters gather outside the Embassy of Myanmar in Pretoria on September 15th, 2017, during a demonstration against Naypyidaw's alleged "ethnic cleansing" of its Rohingya minority. The march by hundreds of demonstrators outside Myanmar's embassy turned violent on September 15th, an AFP journalist reported, and police outside the mission in Pretoria fired teargas and stun grenades to disperse the angry crowd.
(Photo: Gulshan Khan/AFP/Getty Images) Take a look at other photos from our Viewfinder series here.