Exploration and Inquiry: A Documentary on Freedom of Religious Belief in Xinjiang, streamed on several foreign language versions of the China Global Television Network, on May 17 and 25, takes the audience on a tour of some of the most renowned and historical religious sites in the Xinjiang Uygur autonomous region, including the 124-year-old Yanghang Mosque and worshippers in the region. [Photo provided to China Daily]