 Wheat grains ready for harvest are pictured in a farm, in a village in the Nile Delta town of Behira, 300 kilometers (186 miles) north of Cairo, Egypt, Thursday, May 7, 2015 (Photo: AP)
 Livestock graze as villagers ride a cart on their way to their farm, in a village in the Nile Delta town of Behira, 300 kilometers (186 miles) north of Cairo, Egypt, Thursday, May 7, 2015 (Photo: AP)
 A Grey-headed Gull lands on a polluted Jukskei River at Alexandra township in Johannesburg, South Africa, Thursday, May 7, 2015. (AP Photo/Themba Hadebe)
 School girls perform a song during an accordion class, Thursday, May 7, 2015, in Pyongyang, North Korea (Photo: AP)
 Portraits by contemporary artist JR, collected during the month of March 2014, are displayed under the dome of the Pantheon in Paris May 7, 2015 (Photo: Reuters)
 A man looks at the scenery from a pavement along the Sumida River in Tokyo Thursday, May 7, 2015 (Photo: AP)
 People take part in a candlelight vigil to to pay tribute to the earthquake victims after the April 25 earthquake, at Boudha Stupa in Kathmandu, Nepal, May 7, 2015 (Photo: Reuters)
 Southern Popular Resistance fighters react as one of their tanks fire at a Houthi position during fighting in Yemen's southern city of Aden May 7, 2015 (Photo: Reuters)
 An Indian man performs yoga at a public park in New Delhi, India, Thursday, May 7, 2015 (Photo: AP)
 A couple walk past an illuminated pagoda as the gate of the Gyeongbokgung Palace is reflected in a gutter in Seoul, May 7, 2015 (Photo: Reuters)
 A man walks to a polling station at the Royal Artillery Museum in Woolwich, London, Thursday May 7, 2015 (Photo: AP)
 Radar domes are located on the premises of a communications intercept station of German intelligence agency BND in Bad Aibling, Germany, Thursday May 7, 2015 (Photo: AP)
 Local artists draw patterns in the sand at low tide on North Beach, Tenby, South Wales, May 7, 2015 (Photo: Reuters)
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