Next to the new apartment buildings in Hanoi are the old dormitories. On the roofs of these buildings are water tanks of all sizes.

Buildings in Thanh Cong, Thanh Xuan and Trung Tu are the home to buildings that are “roofed” by the most water tanks.

The water supply system in the old zones cannot meet the needs of people so many families save themselves by storing water in tanks and put them on the roof.

In the past, families often stored water in underground tanks or drums. Gradually, these water containers were replaced by tanks on the roof to increase the area used for living.

All positions are utilized to set the water tanks.

The roofs of old apartment buildings covered with water tanks.

The houses with heat-resistant roofing is always designed with a space for this special equipment.

A lumpy roof with water tanks.

From the highway one can also see water tanks on the roofs.