(TITC) - On the occasion of the 40th anniversary Southern Liberation Day (30 April 1975 – 30 April 2015), from 26 to 29 March 2015, in Zone B, 23 September Park (District 1, Ho Chi Minh City), the 11th Ho Chi Minh City Tourism Festival 2015 will take place with the theme “Impression of World Heritage in Viet Nam”.