A beach is the sandy edge of the sea or a lake. A beach is sometimes called the shore. People like to go down to the beach and sit in the sun, make sandcastles or go swimming.
A cave is a hole in the side of a hill or mountain that is big enough for people or animals to get inside. Many animals, like bears and bats live in caves.
A city is a place where there is a very large number of buildings and houses close together. A city may have many millions of people living in it. The city in the picture is in Japan, and is called Tokyo.
A continent is a very large mass of land surrounded by ocean. There are seven continents: Europe, Asia, Africa, North America, South America, Australia and Antarctica.
