Sun Yong discusses Wood Joints, an app which demonstrates the mortise-and-tenon structures that are frequently applied in traditional wooden furniture and architecture, at Apple's Sanlitun retail outlet in Beijing on April 18. (Photo: China Daily)

A group of performers presents how traditional instruments accompany Peking Opera shows at one session of "Today at Apple " on April 25. (Photo: China Daily)

A snapshot of Ink, Mountains and Mystery, a mobile game developed jointly by NetEase and the Palace Museum in Beijing. (Photo: China Daily)