Poster includes events in two provinces to commemorate Vassa

Nakhon Phanom Lighted Barge Festival Sakon Nakhon Longboat Races   Sakon Nakhon Wax Castle festival Vassa is the three-month annual retreat observed by Theravada practitioners. Taking place during the wet season, Vassa lasts for three lunar months, usually from July to October. Wikipedia

สกลนคร Sakon Nakhon