Singapore trip

Hello all
I'm planning a trip to Singapore in May; probably visit Langkawi etc. Any suggestions for good scenery, things to do or NOT do? Any problems with humidity for camera/lens and how can I help overcome them. Appreciate your help.
I'm planning a trip to Singapore in May; probably visit Langkawi etc. Any suggestions for good scenery, things to do or NOT do? Any problems with humidity for camera/lens and how can I help overcome them. Appreciate your help.