The Happy Valley Underground Stormwater Storage Scheme, which came into full operation in March 2017, has further enhanced the flood prevention capacity in the areas in Happy Valley and Wan Chai. Picture shows the interior of the Happy Valley Underground Stormwater Storage Tank.
The Happy Valley Underground Stormwater Storage Scheme, which came into full operation in March 2017, has further enhanced the flood prevention capacity in the areas in Happy Valley and Wan Chai. Picture shows the interior of the Happy Valley Underground Stormwater Storage Tank.
The Happy Valley Underground Stormwater Storage Scheme, which came into full operation in March 2017, has further enhanced the flood prevention capacity in the areas in Happy Valley and Wan Chai. Picture shows the interior of the Happy Valley Underground Stormwater Storage Tank.
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