DAVAO CITY – Davao government officials, tourism stakeholders, and diplomats formally opened the 33rd Philippine Travel Agencies Association Travel Tour Expo and the 11th International Travel Trade Expo at SMX Convention Center in Davao City on Friday morning, June 5, marking the start of the biggest and most dynamic travel expo in Mindanao.Running until June 7, the event is the longest-running travel expo in the region, organized by the PTAA in…