I found out that Changi Airport offered free tours if you are on transit for certain number of hours. Unfortunately we were delayed leaving San Francisco so by the time we arrived in Singapore the tour was full. So we decided to be tourist at the airport and see and enjoy the sights there.
I was amazed to see all the little gardens there.
We took the sky train around the airport and definitely did 10,000 steps in those few hours.
After another day of travel, everyone was so exhausted an ready to get to the next destination. Angkor Wat in Cambodia.