An exhibition to mark one thousand years of Thang Long-Hanoi opened in Vientiane, Laos, on August 2, helping the Lao people and the Vietnamese community in the country better understand Hanoi’s 1,000-year history. The one-month exhibition presents more than 100 documentary photos from almost 2 million documentary items archived at the Vietnam National Library and other libraries nationwide. The photos feature landscapes and interesting places in Hanoi as well as the capital city’s streets and life in early the 20 th century and at present, showing city images in different periods as well as emphasising cultural and spiritual values and the achievements of Hanoi.