 Motorbikes can also be rented from agents within the Old Quarter of Hanoi, although this falls inside a rather grey legal area.There are several gymnasiums and stadiums throughout the city of Hanoi.The biggest ones are Mỹ Đình National Stadium (Lê Đức Thọ Boulevard), Quan Ngua Sporting Palace (Văn Cao Avenue), Hanoi Aquatics Sports Complex and Hanoi Indoor Games Gymnasium.