https://phys.org/news/2018-09-facebook-bn-singapore-centre-asia.html > The 170,000 square metres (1.83 million square foot) site in the land-scarce city-state will be stacked over 11-storeys, and will come with custom features to cope with the steamy temperatures, which rarely drop below 25 degrees Celsius (77 Fahrenheit). > These include a new state-of-the-art cooling system which uses water rather than air and will work better in the humidity, as well as a building facade made of perforated, lightweight material to allow for better air flow.