Protesters march as they block the main street to the financial Central district, outside the government headquarters in Hong Kong, on Monday. Protesters at times numbering in the tens of thousands have gathered to demand the right to choose the territory's next leaders. Carlos Barria/Reuters/Landov hide caption

itoggle caption Carlos Barria/Reuters/Landov

Policemen in riot gear guard a checkpoint on a road near a courthouse where ethnic Uighur academic Ilham Tohti's trial was taking place in Urumqi, Xinjiang, last week. Tohti, an economics professor, is accused of promoting Xinjiang's independence from China. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Students and teachers attend a rally during the class boycott at the Chinese University of Hong Kong on Monday. Thousands of students have braved sweltering heat to demand greater democracy for the territory. Tyrone Siu/Reuters/Landov hide caption

itoggle caption Tyrone Siu/Reuters/Landov

A team from Honolulu, which included Jamie O'Brien of Hawaii's North Shore, won this week's surfing competition, held on one of the world's two biggest tidal bores, located in Hangzhou, China. The other is in the Amazon. Courtesy of Wabsono hide caption

itoggle caption Courtesy of Wabsono

Jack Ma speaks in Hangzhou, China, on May 10, 2013. Ma shot to fame as the founder of Alibaba, the pioneering Chinese e-commerce site that's poised to be one of the biggest tech IPOs ever when it goes public in New York. Peter Parks/AFP/Getty Images hide caption

itoggle caption Peter Parks/AFP/Getty Images

Zhang Kechun. Under the Abandoned Pier, 2013-2014. Zhang, 34, spent years shooting photos along the Yellow River. Zhang Kechun/Courtesy of Three Shadows +3 Gallery hide caption

itoggle caption Zhang Kechun/Courtesy of Three Shadows +3 Gallery

A still from the surveillance camera footage shows the fainting man (top left and bottom right) lying alone in a subway car, as the few remaining occupants hurry away. YouTube hide caption

itoggle caption YouTube

This handout photo provided by the Office of the Defense Secretary (OSD), taken Aug. 19, 2014, shows a Chinese fighter jet that the White House said Friday conducted a "dangerous intercept" of a U.S. Navy surveillance and reconnaissance aircraft. Uncredited/AP hide caption

itoggle caption Uncredited/AP

China's President Xi Jinping has launched a number of crackdowns since coming to power, like suppressing Internet speech. But his anti-corruption drive has made him widely popular among ordinary Chinese. Jorge Silva/Reuters/Landov hide caption

itoggle caption Jorge Silva/Reuters/Landov

This handout photo provided by the Office of the Defense Secretary (OSD), taken Aug. 19, 2014, shows a Chinese fighter jet that the White House said Friday conducted a "dangerous intercept" of a U.S. Navy surveillance and reconnaissance aircraft. Uncredited/AP hide caption

itoggle caption Uncredited/AP

This fishing boat draped with sick animals is the signature piece of The Ninth Wave, an exhibit by artist Cai Guo-Qiang that opened at Shanghai's Power Station of Art this month. Frank Langfitt/NPR hide caption

itoggle caption Frank Langfitt/NPR

A U.S. Navy P-8 Poseidon aircraft takes off from Perth International Airport during the search for Malaysia Airlines MH370. The same general type of aircraft was involved in a "dangerous intercept" by a Chinese fighter jet earlier this week off Hainan island. Reuters/Landov hide caption

itoggle caption Reuters/Landov

A family swims in Lake Nicaragua, which will encompass nearly half of the proposed canal's 172-mile route. Environmentalists worry that oil spills, pollution and dredging will destroy the country's largest supply of fresh water. Carrie Kahn/NPR hide caption

itoggle caption Carrie Kahn/NPR

In South Korea, final preparations are being made for Pope Francis' upcoming visit. To reach Seoul, the pontiff will fly through Chinese airspace and send a message to China's leaders. Ahn Young-joon/AP hide caption

itoggle caption Ahn Young-joon/AP

"The two armies of corruption and anti-corruption are at a stalemate," China's president, Xi Jinping, reportedly told a closed-door Politburo meeting in late June. Jorge Silva/Reuters/Landov hide caption

itoggle caption Jorge Silva/Reuters/Landov

A Lamborghini sports car at the 2014 Beijing International Automotive Exhibition in April. A young Chinese man recently asked women on the street if they wanted to take a ride with him in his Lamborghini, and filmed the encounters. Lintao Zhang/Getty Images hide caption

itoggle caption Lintao Zhang/Getty Images