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Currently, a total of 85,000 shared bikes are parked around Beijing's subway stations during rush hours, down 45,000 before the campaign was launched. Despite the plummeting number, bike-share trips have increased and bike use has become more efficient.

Currently living in New York, he sees a "desperate need" for investment in infrastructure.

Currently, Xiamen Airlines was the only airline that owns a whole Boeing fleet in China. In 1998, the airline received its first B737 NG. In May this year, it received its first B737 MAX, also its 200th Boeing aircraft, doubling the fleet size from the level in 2013. The average aircraft age is 5, according to the company.

Currently, navigators tell a spacecraft where to go by calculating its position from Earth and sending the location data to space in a two-way relay system that can take anywhere from minutes to hours to deliver directions.

Customs officers sort smuggled ivory products in Guangzhou, Guangdong province, in May. ZHANG HAILONG/FOR CHINA DAILY