Singapore is a tropical island country, which consists of a main island and 6 small islands. Its temperature does not change much, rainfall is sufficient, and animals and plants multiply, which embodies the characteristics of tropical islands. Singapore's geographical position is one of the crossroads of the world. Unique geographical conditions make it develop into a major commercial, transportation, communication and tourism center. It is located 136.8 kilometers north of the equator and 13 36 east longitude? To 14 25 east longitude? , 1 9 north latitude? To 1 29? Between The main island of Singapore is about 42 kilometers from east to west and 23 kilometers from south to NATO, with a total area of 682.7 square kilometers, including all islands. Pulau tekong (24.4 square kilometers), pulau ubin (1.2 square kilometers) and Sentosa Island (3.5 square kilometers) are the larger islands outside the island.