An attendee stands among balloons at the end of the fourth day of the Democratic National Convention at the Wells Fargo Center in Philadelphia, Pennsylvania, on July 28, 2016. #

People play Pokemon Go at a park at Tin Shui Wai on July 26, 2016 in Hong Kong. Pokemon Go, which has been a smash-hit across the globe was launched in Hong Kong on July 25. #

Khizr Khan, whose son, Humayun S. M. Khan was one of 14 American Muslims who died serving in the U.S. Army in the 10 years after the 9/11 attacks, offers to loan his copy of the Constitution to Republican presidential nominee Donald Trump, as he speaks while a relative looks on during the last night of the Democratic National Convention in Philadelphia on July 28, 2016. #

A new android named "Alter", developed by researchers of Tokyo University and Osaka University jointly, is displayed during a press preview in Tokyo on July 29, 2016. The android, which can move its head, eyes, mouth, body and hands in response to the numbers of people around it, will be displayed from July 30 to August 6 at the National Museum of Emerging Science and Innovation in Tokyo. #

Britain's Chris Froome, wearing the overall leader's yellow jersey, celebrates with a glass of champagne during the twenty-first stage of the Tour de France cycling race over 113 kilometers (70.2 miles) with start in Chantilly and finish in Paris, France, on July 24, 2016. #

A member of the Maroubra Winter Seals swimming club prepares to dive into a rock pool as a fellow member swims underneath him at Maroubra Beach in Sydney, Australia, on June 19, 2016. #

Dancers perform on stilts in honor of Saint Mary Magdalene in a street for the traditional ''Danza de Los Zancos'' (Los Zancos Dance), in the small town of Anguiano, northern Spain, on July 23, 2016. As an ancient tradition for more than 4th centuries, eight young people from the town balance on stilts down the old street, turning to the sound of folk music played on a pipe and drum. #

A Syrian gamer uses the Pokemon Go app on his mobile phone to catch a Pokemon amid the rubble in the besieged rebel-controlled town of Douma, a flashpoint east of the capital Damascus, on July 23, 2016. #

An Indonesian police officer adjusts the head cover of a suspected drug smuggler before he and others are displayed to reporters at the National Narcotics Agency office in Jakarta, Indonesia, on July 27, 2016. #

Mountains from the South African Drakensberg mountain range are seen covered with snow after an unusual cold front has gripped the country, on July 27, 2016 on the outskirts of Harrimsmith, South Africa. A cold front moving in from the west brought snow to parts of KwaZulu-Natal and the Free State. Stormy weather across the country has caused chaos and disaster. #

A hillside erupts in flame as a raging wildfire fire burns in Placerita Canyon in Santa Clarita, California, on July 25, 2016. A raging wildfire that forced thousands from their homes on the edge of Los Angeles continued to burn out of control Monday as frustrated fire officials said residents reluctant to heed evacuation orders made conditions more dangerous and destructive for their neighbors. #

Firefighter Asha Whipple from the Woodland Fire Department prepares to look for hotspots during the Soberanes Fire in the mountains above Carmel Highlands, California, on July 28, 2016. #

Young Palestinians holding weapons walk in a tunnel during a military exercise graduation ceremony at a summer camp organised by Hamas's armed wing, east of Gaza City, on July 22, 2016. #

Pope Francis walks through Auschwitz's notorious gate with the sign "Arbeit Macht Frei" (Work sets you free) during his visit to the former Nazi death camp, in Poland on July 29, 2016. #

The giant 12-meter-tall Man Engine is unveiled to the public in Tavistock on July 25, 2015 in Devon, England. Claimed to be the largest mechanical puppet made in Britain, standing at three times the height of a double-decker bus, it has been created to mark the tenth anniversary of the date when the Cornwall and West Devon Mining Landscape was added to the UNESCO list of World Heritage Sites. Starting today it will journey to the the mining world heritage sites accompanied by more than a dozen "miners" and traditional "bal-maidens" who have the job of animating the steam-powered giant. #

A rescued three-month-old male rhino calf found in a flood-affected area of Kaziranga National Park is fed at an animal nursery in the park in the northeastern Indian state of Assam on July 26, 2016. Floods in Assam have affected some 1.25 million people in Assam as the annual monsoon continues to cross the Indian sub-continent. #

A visitor observes the sculpture "Kneeling Woman" by Australian artist Sam Jinks, at the Hyperrealist Sculpture 1973-2016 exhibition in the Museum of Bellas Artes in Bilbao, northern Spain, on July 27, 2016. #

Well-wishers pay their respects in the rain at a makeshift memorial, at the scene where several police and a sheriff deputy were killed in Baton Rouge, Louisiana, on July 23, 2016. Funeral services were being conducted for East Baton Rouge Sheriff deputy Brad Garafola. #

People dressed in costumes made of hen feathers and wearing masks, pay tribute to the patron saint of the indigenous people, San Francisco Solano, and thank him for his favors, during the "Guaicuru Nemonde" traditional festival on July 23, 2016, in Emboscada, Paraguay, 46 km (28 miles) north of Asuncion. #