This year marks the 30th anniversary of China's national aid program for the Xizang Autonomous Region. Since 1994, the central government has paired the high-altitude southwest Chinese region with experts from 18 provinces and cities. These experts in different fields are helping Xizang develop its own industrial chain. Guo Tianqi reports on how south China's Guangdong Province has facilitated the fishery industry in a Xizang village.