Passengers queue to take free double-decker bus tour in Hanoi during the Reunification Day and May Day holiday on April 30 and May 1.
The department has asked local tourism sites to prepare well for the holiday, which will last from September 1-4.
People can receive free tickets for double-decker bus service from 12 pm-5 pm from August 31 to September 3 at the 19/8 Garden opposite the Opera House where the buses will take passengers.
Visitors to the Ho Chi Minh Mausoleum on the National Day September 2 will also be given free snacks and drinks.
