You usually find beaches where the sea meets the coasts. Beaches take thousands of years to from. The sea and the wind help make beaches. As waves crash into rocky shores, they throw the rocks around and break them into stones and then into pebbles. With time, the waves grind the pebbles into sand. There are many different types of beaches. Each beach has its own characteristics that make it unique . There are beaches with black or green sand, which results from lava from volcanoes. Others have pink or white sand which comes from corals. There are also rocky beaches, shelly beaches and ones covered with pebbles. Finally there are beaches with beautiful sand hills called dunes which remind us of deserts. Переведите плиз, что бы было все понятно.