Gospel Church Introduction: Located on Yangtianjing Street, Langzhong City, it is also known as St. John’s Cathedral and is the main church of the Diocese of Eastern Sichuan. Built in the 24th year of the reign of Emperor Guangxu of the Qing Dynasty, it has a history of more than 100 years. It is one of the earliest Western buildings in Sichuan and the largest existing Christian church in Southwest China. It was once the main church of Dongchuan Christian Diocese.