Hanoi Streets Thanh Lan Street Posted on May 8, 2014March 17, 2015 by admin 08 May Thanh Lan street, Thanh Tri ward, Hoang Mai district, Hanoi, Vietnam. It’s 700m long, from Thanh Dam Water plant, passing Thanh Tri ward residential area to junction of Nam Du and Ngu Nhac street. This is new street named in August, 2009. Thanh Lan Street, Hoang Mai District, Hanoi admin Thanh Ha Street Thanh Mien Street