A visitor scribbles a message on bamboo at a scenic area in Qingyuan city, South China's Guangdong province, Oct 7, 2016. Many tourism destinations in China, from the Great Wall to ancient temples, are often marred by graffiti left by unruly visitors. As a management innovation, the bamboo zone at Mountain Jinzi has an area for tourists to write or draw whatever they like. [Photo/VCG]