Barkhor, is the commercial center and busiest street of the old city of Lhasa, Tibet. The Barkhor Ring Road is composed of Barkhor East Street, Barkhor South Street, Barkhor West Street and Barkhor North Street. The circumference of Barkhor Street is about 1,000 meters, originated in the 7th century A.D., better preserving the original style of the old city of …Barkhor, is the commercial center and busiest street of the old city of Lhasa, Tibet. The Barkhor Ring Road is composed of Barkhor East Street, Barkhor South Street, Barkhor West Street and Barkhor North Street. The circumference of Barkhor Street is about 1,000 meters, originated in the 7th century A.D., better preserving the original style of the old city of Lhasa.