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

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

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

What is the longest river in the world?

What is the largest river in the world?

What river is the largest in terms of discharge?

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

Which river is the longest in Africa?

Which river is considered the holiest in India?

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