Bangkok-21 Sep-KASIKORNBANK On September 18, 2015, at Plaza Athenee Bangkok, Her Royal Highness Princess Maha Chakri Sirindhorn graciously presided over the Charity Exhibition of Chinese Brush Calligraphy and Paintings to Commemorate the 40th Anniversary of the Establishment of Diplomatic Relations between China and Thailand, and the 60th Birth Anniversary of Her Royal Highness Princes