Boon rawd Brewery and Singha Corporation own the Rai Boon rawd Farm, which has extensive plantations of barley and tea. Recently it started to promote the farm as a tourist attraction for study tours and mountain bike trips. Route R3A links Thailand with Laos and Xishuangbanna Prefecture in Yunnan province, southern China, from where major highways lead to Kunming. In Thailand, the route passes through…