in Yanqing are to the west and east respectively of the highly popular Badaling and receive spillover visitors especially during peak periods. One of the most popular day-trips for residents of Beijing is the Longqing Gorge located in the village of Gucheng in the district. The scenic area features a canyon filled at the bottom with a reservoir from a nearby man made dam, providing short boat cruises along the dramatic landscape of narrow peaks. The remnants of a 1,000 year old cliff dwelling community date back to the Tang Dynasty are found at Guyaju Ruins near the village of Dongmenying. Archaeologists are uncertain about the origins of Guyaju. One theory holds that the Kumo Xi, a steppe tribe, carved from the rocks the halls and hundreds of dwellings that form a fortress community in the caves. Another historical attraction is the town of Yongning. The town square tower was restored in the 2000s and there is a Gothic Revival Catholic church from the 19th century. Commune by the Great Wall is in the district. The district's language is roughly divided into six regions, but the boundaries of these six dialect regions are fuzzy and uncertain. Scenic spots and historical sites Beijing Wild Duck Lake Wetland The Wild Duck Lake Wetland is located in northwest of Yanqing District. It is a national 4A scenic spot and an artificial wetland composed of the Yanqing area of Guanting Reservoir. It is one of the most important bird habitats in Beijing and even North China. In July 1997, the Beijing Wild Duck Lake Wetland was established, and it was a municipal-level nature reserve in December 2000. The total area of the reserve is 6,873 hectares, of which the wetland area is 3939 hectares. Badaling Great Wall The Badaling Great Wall is one of the most famous scenes in Yanqing, which is located at the north entrance of Guan'gou Ancient Road, Jundushan, Yanqing District, Beijing. It is an essential part of the Great Wall of China, a great project in ancient China, and a strait mouth of the Great Wall of the Ming Dynasty. The Badaling Great Wall is an essential outpost of Juyong Pass. Longqing Gorge The Longqing Gorge is located in the northwest of Gucheng Village, 85 kilometers away from Beijing City. It is a national 4A scenic spot and one of the sixteen scenic spots in Beijing. The water originates from