The tallest mountain

• The tallest mountain is Everest. It is 8848 metres tall. It is in the Himalayas.

The longest river

• The longest river is the Nile.It is 6852 kilometres long. It is in Africa.

The longest bridge

• The longest bridge is Dagnan-Kunikansky viaduct. It is 165 kilometres long. It is in China. It crosses lake Yangcheng.

The biggest city

• The biggest city is Tokyo. It is in Japan. There are 13 million people.

The fastest animal

The fastest animal is a cheetah. It can run very fast.

The biggest fish

• The biggest fish is a shark. It is 15 metres long.

The smallest bird

• The smallest bird is Calibri. It is 7 centimetres.