Briefly describe the geographical environment characteristics of the Beijing-Tianjin-Hebei tourist area.

Answer: The Beijing-Tianjin-Hebei region is located in the northern part of the North China Plain, with the Yanshan Mountains to the north, the North China Plain to the south, the Taihang Mountains to the west, and the Bohai Bay to the east. The Beijing-Tianjin-Hebei region includes Beijing, Tianjin, and 8 prefecture-level cities in Hebei Province: Qinhuangdao, Tangshan, Langfang, Baoding, Shijiazhuang, Cangzhou, Zhangjiakou, and Chengde, involving more than 80 counties in 8 districts and cities in Hebei Province . The Beijing-Tianjin-Tangshan region is one of the four major industrial zones in my country. It is also the only place for transportation between Northeast China and the Central Plains. Its strategic position is very important. Terrain characteristics: The terrain in the northwest and north is higher, while the terrain in the south and east is flatter. It gradually transitions from the northwest-oriented Yanshan and Taihang Mountains to the plains in the southeast, showing the terrain characteristics of high in the northwest and low in the southeast. From a geomorphological point of view, this area includes a variety of landform features, but it is still dominated by plain landforms, with many tidal flats and wetlands along the Bohai Coast. The Haihe River Basin spreads in the Beijing-Tianjin-Hebei region in the form of a fan-shaped water system.