Encounter With Wild Flowers In Thailand

Before embarking on an ambitious trip to Laos, I stayed near Suvarnabhumi Airport, Bangkok for a day. Surrounded by trees and lush greenery, this place was quite enticing and beautiful. I could not stop myself from capturing several photos from various angles. I was excited to see a wide variety of flowers near my hotel, but failed to identify many of them and hence I took their pictures. Could you help me
identify these beautiful flowers ?

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For photo blog http://deepakacharya.wordpress.com/

Thank You