a large area of land or of the world with specific characteristics, which is usually borderless

地域, エリア

a hole or chamber formed underground naturally by rocks gradually breaking down over time

洞窟, 穴

an area of rock that is high above the ground with a very steep side, often at the edge of the sea

崖, 絶壁

having a surface that is covered with large, uneven, or rough rocks, stones, or boulders

岩だらけの, 岩石の

a valley that is deep and has very steep sides, through which a river is flowing usually

峡谷, 渓谷

the boundary between land and water, particularly as seen on a map or from above

海岸線, 沿岸

a pale brown substance that consists of very small pieces of rock, which is found in deserts, on beaches, etc.

砂

a long and artificial passage built and filled with water for ships to travel along or used to transfer water to other places

運河, 運河たち

a wide stretch of water that connects two larger areas of water, particularly two seas

水路, 海峡

the average height of the surface of the ocean in relation to the land, measured over a specific period of time

海面, 海水面

an area under the protection of a government, where people can visit, for its wildlife, beauty, or historical sights

国立公園, ナショナルパーク

