We created plastic umbrella bags and placed them in shopping malls all around Hong Kong. With a picture of a bucket, cup or bowl on the bottom, it looked like the rainwater was filling it up. This helped to convey our message that even a few drops of precious rainwater makes a thirst-quenching drink in Northwest China.

Passers-by used the bags on rainy days and a lot of them were kind enough to make donations. Some people even took a few to give to their friends and family to help spread the message. Donations increased enough to build more than 5,300 water cellars in 2009.