Behind the lane ran a narrow canal that had become polluted. Plastic bags floated on its dark surface. Grandma remembered a time when children swam in it . So Ploy proposed a clean-up on a Sunday morning. She expected twenty people. To her , more than eighty came. Students, monks, and shopkeepers worked . Uncle Somchai built a platform from bamboo so that volunteers could reach the parts of the canal. Krit and Jay pulled out an old bicycle, which caused laughter. Mint served drinks from the café. By noon, they had collected over two hundred bags of , and the canal looked cleaner. A local reporter wrote a article about the event, and the district office promised support. Ploy was that one café could start something so big. Ben reminded her that change usually begins small. The volunteers agreed to meet , on the first Sunday of every month. Grandma watched the water from the bridge and said that one day children might swim there again.