A long, long time ago…For a real trip through time, take a walk along a heritage trail with our experience tour guides to take you through the chapters of our city’s fascinating past. Visit one of the Singapore's oldest and most charming neighbourhoods & learn about the development of Singapore through inspiring stories including the Tiong Bahru Air Raid Shelter, which is also an important war heritage site of Singapore. It is Singapore’s last pre-WWII civilian air raid shelter that still exists today.