Police walk past missing person notices for Swedish publisher Gui Minhai (L) and Hong Kong publisher Yau Wentian, posted on the sign of China's Liaison Office in Hong Kong, January 3, 2016.
© 2016 Anthony Wallace/AFP via Getty Images
Police walk past missing person notices for Swedish publisher Gui Minhai (L) and Hong Kong publisher Yau Wentian, posted on the sign of China's Liaison Office in Hong Kong, January 3, 2016.