Ancient trees identified by QR codes in Qingdao

Ancient trees in Qingdao Zhongshan Park in Qingdao, east China's Shangdong Province, have been labeled with QR codes, Xinhua News Agency reports.

Visitors can scan the codes to get more information about the trees and the park, such as the classification and growing environment of the trees, or the history and main attractions of the park.

The park, which is the biggest one in the province, owns more than 100 thousand trees of over 300 kinds.