a residential area a commercial area an industrial area a mountain mountains a forest a desert a beach a river a lake a valley a hill a hilly area # 丘陵地 a canyon a plain a swamp is a type of wetlands. a marsh is a type of wetlands Kununuma swamp Swamps and marshes are both wetlands. a tundra a cave a volcano a glacier a waterfall a meadow a prairie a savanna a marsh a steppe an icicle an iceberg landscape seascape a business area a residential area a populat…