Taxi Girl wall: 10mm inox expansion bolts. Sai Gon Wall: Chemical bolts, , 2 rings on the top route, 2 hard routes. It was discovered by Tim Emmett and Neil Gresham since 2003 and rebolted on April 2008. Van Boi Beach 10 mm inox expenson bolts, very safe, 2 years old. Discovered by 2 French expart living in Hanoi. Ba Trai Dao: 6b, 7a
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