KTMphil
Senior member

There are numerous Poy (Poi) Sang Long Shan/ Tai Yai festivals/ festival of the crystal sons (description here Poy Sang Long - Wikipedia, the free encyclopedia) in north Thailand in the months of March & April. There's even one in early April in Chiang Mai city.

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A couple of reports below containing Poy (Poi) Sang Long festivals
http://www.rideasia.net/motorcycle-...s/1615-day-2-nw-mae-sariang-trail-riding.html
http://www.rideasia.net/motorcycle-...ong-festival-chiang-mai-5th-april-2011-a.html
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