Model and draw a cross-sectional view. A modern looking train station is drawn in the center of the picture. The railway is underground. There is a wide motorway next to the train station. A wide river flows next to the automobile road. There is a path for people to travel between the road and the river. A waterside ecological park has been created along the river. There are various leisure facilities around the river. There are high-rise apartments and buildings behind the train station. Draw a high proportion of apartments and buildings.