AlQa'dah 30, 1436, Sep 14, 2015, SPA -- Prince Sultan bin Salman bin Abdulaziz, President of Saudi Commission for Tourism and National Heritage (SCTNH) headed the Kingdom of Saudi Arabia's delegation participating in the meetings of the 21st session of the General Assembly of the United Nation World Tourism Organization (UNWTO), which were kicked off in the city of Medellin in the Republic of Colombia the day before yesterday. The session discussed a number of the Organization's future programs, activities and projects.