Chiang Mai joins Bangkok, Chonburi, Petchburi and Prachuap Khiri Khan in planning to open the province to tourism as of the 1st October, expanding on the Phuket Sandbox campaign. Charming Chiang Mai is the name of the campaign and means that tourists who have been in the Phuket sandbox for seven days can come to Chiang Mai. Tourism will be in the form of a sealed route, allowing for tourism in