A truck loaded with steel cables makes its way across the Friendship Bridge from the Chinese border city of Dandong, in China's northeast Liaoning province, to the North Korean town of Sinuiju on September 4, 2017.
China said on September 4 it had lodged an official protest with its ally North Korea following Pyongyang's largest-ever nuclear weapons test. The massive explosion, which Pyongyang claimed was a miniaturised hydrogen bomb, has put the region on edge and raised questions about how Beijing will respond to its neighbour's latest provocation. / AFP PHOTO / GREG BAKER        (Photo credit should read GREG BAKER/AFP/Getty Images)