A teacher shows a new form of offer from Northwestern Polytechnical University in Xi’an City, capital of Northwest China’s Shaanxi Province, July 4, 2017. The university says it uses augmented reality technology in the offer, which allows students to scan a QR code, install an app and then use the app as well as the offer letter to discover more about the school in dynamic ways. The university claims it’s the first among Chinese colleges to apply AR in its offers. (Photo/VCG)
