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The 18 Supertrees in the Gardens were modelled and constructed after the form and function of mature trees. They create height to balance the current and future tall developments in the Marina Bay Sands area.
Some of them are embedded with photovoltaic cells to generate solar energy so they can light up at night. Others will be integrated with the Cooled Conservatories and serve as air exhaust receptacles.
The Supertree has four major parts: the reinforcement concrete core with an inner vertical structure that upholds the Supertree; the trunk which has a steel frame attached around the reinforcement concrete core; planting panels which are installed on the trunk in preparation for the planting of the living skin; and the canopy.
Shaped like an inverted umbrella, the canopy is assembled and hoisted through a hydraulic jack system, with the exception of the 50 metres Supertree canopy which will be assembled at its final height.
Dragonfly Lake, at the west side of Bay South Garden is about 960 meters in length, with 72,000 cubic metres of water. It is a natural filtration system for water from the Gardens' catchment and provides aquatic habitats for biodiversity. Water run-off from within the Gardens is captured by the lake system, cleaned by aquatic plants before being discharged into the reservoir. Naturally treated water from the lake system is also used in the built-in irrigation system for the Gardens.