Dong Van Karst Plateau Conquer Ma Pi Leng Pass – A Natural Wonder in Ha Giang by Lam Pham July 9, 2024 by Lam Pham July 9, 2024 Ma Pi Leng Pass is known as one of the most famous passes in Vietnam with dangerous turns, that challenge the steering wheels of backpackers. The pass is 20km long, … 0 FacebookTwitterPinterestEmail