Chiang Mai Deputy Governor Boonlue Thammatranurak presided over the opening of the Lanna ethnic tourism promotion activity this evening (17th July), part of the 2026 Colours of Lanna Ethnicity project, held for its third edition from 17th-19th July at Tha Pae Gate. Chiang Mai Tourism and Sports Office chief Itthirat Sinarak attended alongside heads of government agencies, tourism sector