Which river runs through the Grand Canyon in the United States?

What is the largest river in the world?

Which river is known as the "Cradle of Chinese Civilization"?

What is the longest river in the world?

What river forms a natural border between the United States and Mexico?

What river flows through the capital cities of Vienna, Bratislava, and Budapest?

What is the name of the river that flows through Paris?

What river is the largest in terms of discharge?

Which river is considered the holiest in India?

Which river is the longest in Africa?