The 22nd World Gourmet Festival at Anantara Siam hotel is showcasing an international selection of highly-acclaimed star-studded guest chefs until Sept 11. A series of exclusive dinners by chefs Peter Gast of the Michelin-starred Graphite restaurant in Amsterdam; Davide Caranchini of Italy's Michelin-starred Materia restaurant in Como; and Amerigo Sesti of Bangkok's own Michelin-starred French...