Thanh Nien Street, located between West Lake and Truc Bach Lake, is brightly lit at dusk. The street is renowned for its beauty, with the blackboard trees that line it providing ample shade and its ancient temples adding a sense of spiritual tranquility. (Photo: Nghiem Dinh Chinh)

Tran Quoc Pagoda is seen at 7 p.m. Located on a small peninsula on the east side of West Lake, Tran Quoc Pagoda, at nearly 1,500 years, is known as the oldest pagoda in the capital. Adding to the architectural beauty and historical significance of the pagoda is a Bodhi tree said to be the "offspring" of the original tree under which Buddha attained enlightenment in India. (Photo: Nghiem Dinh Chinh)

Long Bien Bridge, a symbolic Red River crossing, was designed and built by French firm Daydé-Pillié in September 1898. It opened to traffic in 1902, running more than 1,691 meters, with a rail track in the middle and road transportation on either side. During wartime, the bridge had some of its parts damaged and even destroyed by enemy bombing. The Vietnamese government fixed the damage, building the spans still in use today. (Photo: Nghiem Dinh Chinh)

Octagon House, built in 1901, used to host the French army's trumpet shows. The structure lies inside the Ly Thai To flower garden area, encompassing the streets of Dinh Tien Hoang, Le Lai, Le Thach and Ngo Quyen. (Photo: Nghiem Dinh Chinh)

Turtle Tower, an iconic symbol of Hanoi in the middle of Hoan Kiem (Sword) Lake, shines at night. Hoan Kiem Lake, which spreads across 12 hectares (30 acres), is named for the legend of a golden turtle god showing up at the lake to take back a sword it had given King Le Loi in the 15th century to help fight foreign invaders. (Photo: Nghiem Dinh Chinh)

Hanoi’s St. Joseph Cathedral is located at 40 Nha Chung Street. Built between 1884 and 1888, it has been a place of worship for Catholics in the capital for more than a century. (Photo: Nghiem Dinh Chinh)

The Chuong Duong Bridge interchange at night. Connecting Hoan Kiem District and Long Bien District, Chuong Duong Bridge is 1,230 meters long with four two-way traffic lanes. Built from 1983 to 1986, the bridge was the first in Vietnam designed and built without foreign technical assistance. (Photo: Nghiem Dinh Chinh)

Hanoi Museum, part of Vietnam National Convention Center, is located on Pham Hung Street in Nam Tu Liem District. The building has an inverted pyramid design and was completed in 2010. (Photo: Nghiem Dinh Chinh)

A view of Landmark 72 and other high-rise buildings amid the foggy cityscape. Landmark 72 on Pham Hung Street is the country's second highest building, after Landmark 81 in Ho Chi Minh City. (Photo: Nghiem Dinh Chinh)

Nhat Tan Bridge, also known as the Vietnam-Japan Friendship Bridge, was inaugurated in January 2015. It runs a length of 8.9 kilometers (5.5 miles) across the Red River and has five spans representing the capital's five ancient gates. (Photo: Nghiem Dinh Chinh)