Article Photos: Cyberattacks a growing irritant in US-China ties 1/1

FILE - In this Feb. 19, 2013 file photo, the building housing “Unit 61398” of the People’s Liberation Army is seen in the outskirts of Shanghai. Signs are growing that China’s massive allegedly state-sponsored computer hacking is imperiling its relations with the U.S., lending urgency to fledgling efforts by the sides to engage on the issue. (AP Photo/File)