Management and staff of Dusit Princess, dusitD2 and Le Meridien Chiang Mai together with the Chiang Mai National Blood Centre recently organised a blood donation activity under the campaign "Halloween Save a Life - Give Blood" at L room, dusitD2 Chiang Mai. A total of 37 people gave blood and was handed over to the Chiang Mai National Blood Centre to help people in need and patients in hospitals in the region.