Rooftop

Boys climb roof in Serangoon, throw chairs and bottles onto street: Police investigating
Stomper concerned for workers on Esplanade roof -- but they're protected by safety harnesses
Men walk on roof of multi-purpose hall without any safety equipment
Look at how these tiles are placed at rooftop in Ang Mo Kio
If they slipped from a carpark rooftop, it could have been the last selfie for these youngsters