On the date that we worked on (Oct 24th, 2016), I started my work picked up all tourists from hotel and checked their belonging. Then in the morning, while we were on the bus, I had worked as welfare staff which provides snack, water, and other service to tourists. Then, in the afternoon, I had worked as a tourist guide on Pak Pra Sae, Mouth of the river at Rayong province. To inform all tourists about the destination, I told them the history and lifestyle of local community along the river. Then, before got off the bus, I have to check the cleanness of the bus and throw a trash away.