NEED TO KNOW

■ Great Rail Journeys (01904 527 180; greatrail.com) includes the Reunification Express journey and a visit to Halong Bay in its 18-day escorted group tour Experience Vietnam, Cambodia & the Mekong Delta. It includes flights, four-star hotel accommodation, all rail and excursions and selected meals from £2,995pp.

■ GRJ Independent (01904 527 181; greatrail.com/grjindependent) can tailor make holidays to Vietnam for those travelling on an individual basis. It offers an eight-day trip including return flights with Vietnam Airlines, four-star hotel accommodation in Hanoi, Hue, Nha Trang and Saigon, excursions and selected meals, from £2,195pp.

■ The option to upgrade flights is available to Great Rail Journeys/GRJ Independent customers.