In March, 2017, the Happy Valley Underground Stormwater Storage Tank with a capacity of 60 000 cubic metres (which is equivalent to the total volume of about 24 standard swimming pools) was officially commissioned, providing flood protection for the public and alleviating flood risks.

In March, 2017, the Happy Valley Underground Stormwater Storage Tank with a capacity of 60 000 cubic metres (which is equivalent to the total volume of about 24 standard swimming pools) was officially commissioned, providing flood protection for the public and alleviating flood risks.

In March, 2017, the Happy Valley Underground Stormwater Storage Tank with a capacity of 60 000 cubic metres (which is equivalent to the total volume of about 24 standard swimming pools) was officially commissioned, providing flood protection for the public and alleviating flood risks.