Visitors take in the autumn foliage at the Westonbirt Arboretum in England. | (REUTERS/Toby Melville)

A herd of elephants confronts a hippopotamus at a watering hole in Zimbabwe's Hwange National Park. | (REUTERS/Philimon Bulawayo)

An army nurse crosses her hands during an Ebola treatment protocol demonstration, at Bundeswehr Clinic, in Koblenz, Germany. | (REUTERS/Ralph Orlowski)

Pakistani schoolgirl Malala Yousafzai, the joint winner of the Nobel Peace Prize, stands with her father Ziauddin after speaking at Birmingham Library in England. | (REUTERS/Darren Staples)

A lone swimmer stands on Sydney's Bondi Beach. | (REUTERS/David Gray)

Women take part in Taiwan's National Day celebrations in Taipei. | (REUTERS/Pichi Chuang)

Tony Maier walks toward his truck for more hay while feeding draft horses at his farm in Schodack, New York. | (AP Photo/Mike Groll)

A small boat sails along the horizon during an autumn storm southeast of the island of Cyprus. | (AP Photo/Petros Karadjias)

Police officers salute veteran police dog Wangcai during its funeral outside a police station in Wuhan, China. | (REUTERS/Stringer)

A girl practices with hoops during a training session at a circus school in Havana. | (REUTERS/Alexandre Meneghini)

Coal miners enter a shaft for the start of an afternoon shift near Gilbert, West Virginia. | (REUTERS/Robert Galbraith)

A cloud casts a shadow over a farmer in Lalitpur, India. | (REUTERS/Navesh Chitrakar)

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