Hong Kong will save more than 3 million cubic metres of water each year when a project to collect excess run-off from four Kowloon reservoirs is completed, drainage officials have said.
According to the Drainage Services Department, the amount could meet the annual demand of 70,000 Hongkongers.
At present, all excess rainwater goes to waste once the reservoirs are full, because it flows downhill into storm drains and out to sea.
In pictures: reservoirs fill with rainwater after drying up in May...
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