African migrants stranded in Costa Rica walk near garbage on the Inter-American highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)

A woman carrying an inflatable doll crosses Withy Grove in Manchester, UK on September 11, 2016. Revellers out in Manchester City Centre. (Photo by Joel Goodman/London News Pictures)

Brooke Candy attends the VFILES show during New York Fashion Week at Barclays Center of Brooklyn on September 6, 2017 in New York City. (Photo by Roy Rochlin/Getty Images)

Doutzen Kroes and Candice Swanpoel arrive at the Mert Alas x Marcus Piggot book launch party at Public Hotelon September 7, 2017 in New York City. (Photo by Pierre Suu/GC Images)

A model presents a creation from the Liu Bolin Debut collection during New York Fashion Week in the Manhattan borough of New York City, U.S., September 10, 2017. (Photo by Amr Alfiky/Reuters)

The Aurora Borealis (Northern Lights) is seen over the sky near the village of Pallas (Muonio region) of Lapland, Finland September 8, 2017. (Photo by Alexander Kuznetsov/Reuters)

A propaganda troupe perform a flag- waving routine outside the central railway station in Pyongyang, North Korea on September 27, 2017. (Photo by Ed Jones/AFP Photo)

Mercury and Maia, fueled and overhauled, are waiting in the Tay at Dundee, for favorable weather to start the flight to the Cape, a distance of 6,370 miles. The composite machine moored in the Tay River, at Dundee, on September 23, 1938. (Photo by AP Photo)