The mercury on Doi Inthanon fell to 9C this morning, the first single-digit reading of the year, and people turned up to enjoy it. Visitors crowded the summit in Chom Thong district and the Kew Mae Pan viewpoint for sunrise, which is how you know cool season has properly started. It wasn’t just Inthanon. Doi Ang Khang and Doi Pha Hom Pok in Fang both dipped to 17C, which is less dramatic but