How One of the World’s Densest Cities Has Gone Green

Picture of SuperTrees at Gardens by the Bay

Symbol of Singapore, these “Supertrees” belong to a display at the 250-acre Gardens by the Bay. The high-tech structures range from 80 to 160 feet and collect solar energy to power a nightly light show. They have a softer side too: their trunks are vertical gardens, laced with more than 150,000 living plants.

Source: How One of the World’s Densest Cities Has Gone Green