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The 250-seat steel vessel will offer two journeys every night, one from 6-7.30pm and one from 8-9.30pm.
Tourists board at Bach Dang Wharf on the Han River bank near the Rong (Dragon) Bridge.
During the tour, they can snap photos of the LED light-decorated Han, Thuan Phuoc, Rong and Tran Thi Ly bridges and the American war-era Nguyen Van Troi Bridge.
On Saturday and Sunday nights, tourists can see the award-winning dragon-shaped Rong bridge spit fire.