Name the river which flows through Washington city.

Lahore is on the bank of the river:

Delhi is on the bank of the river:

Moscow is on the bank of the river:

Tokyo is on the bank of the river:

Berlin is on the bank of the river:

Name the river which flows through Alexandria.

Guwahati is on the bank of the river:

Which is on the bank of the river Menam?

Name the river which flows through Rome.