People can receive free tickets for double-decker bus services 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.
Around 3,000 free tickets will be offered.
Many children were eager for double-decker bus tours.
Visitors can take a tour around Hanoi on three double-decker buses with a total of 44 trips per day. Services run every half an hour, lasting for 70 minutes.
The buses will travel through different sites in Hanoi, including Hanoi Opera House, the Temple of Literature, Vietnam Military History Museum, Thang Long Citadel and Hoa Lo Prison.
On the Reunification Day (April 30) and International Labour Day (May 1), Hanoi also provided free double-decker buses for people.
