Thanks to my dear friends for organizing this trip, below is my reward of the day:
Tian Hock Kheng, Mixed media on Watercolor paper, 28.5cm x 44cm, 18 May 2013
Watercolor and gouache on watercolor paper. I couldn't show you the pure original color, because of the problem of digitalize. However, I did this partly on location, partly at home. Above final image is twitched with digital painting.
Some more studies: