76-year-old Zhan Guangjin is looking at the exhibition on Tibetan people's new residence, photo from Xinhua.

More than 200,000 visitors have attended the exhibition marking the 50th anniversary of democratic reforms in Tibet at the Cultural Palace of Nationalities in Beijing since its opening on February 24. In different forms such as file, pictures, scene rejuvenating, and statue arts, the exhibition showed great changes that have taken place in the past 50 years in the Tibet Autonomous Region.