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A sign indicates the departure area for flights leaving Beijing airport on July 25, 2018. - Beijing hailed "positive steps" as major US airlines and Hong Kong's flag carrier moved to comply on July 25 with its demand to list Taiwan as part of China, sparking anger on the island. (Photo by GREG BAKER / AFP) (Photo credit should read GREG BAKER/AFP/Getty Images)

A sign indicates the departure area for flights leaving Beijing airport on July 25, 2018. - Beijing hailed "positive steps" as major US airlines and Hong Kong's flag carrier moved to comply on July 25 with its demand to list Taiwan as part of China, sparking anger on the island. (Photo by GREG BAKER / AFP)        (Photo credit should read GREG BAKER/AFP/Getty Images)