rainwater storage

Singapore, a country with no natural freshwater resources, has succeeded in water management by developing four pillars of water supply and advanced desalination technology.

The underground system consists of a tank of nearly 4m deep, over 20m long under a large structure with walls stretching nearly 50m, according to the Israeli Antiquities Agency

In fact, many places people store and use rainwater for eating and drinking, daily living.

Having faced similar problems about five decades ago, neighboring Singapore had very smart methods to thoroughly solve the problem of pollution.