
Taken from another angle, you can see the reflection of the control tower reflected on the glass.

You can view more photo of changi airport T3 in my changiairport blog.
For other sky watchers, you pop over to Skywatch blog.


































For those who guess it is a snail, you could be tricked by the hermit crab cause the hermit crab always borrowed someone's shell when it outgrown its old "borrowed" shell. That shell on its back must be a borrowed shell from a snail....lol.
We decided to let it leave it alone and let the hermit crab returned to the sea.