. "Switchbacks" . "hairpin turns" . "hairpin" . "hairpin corners" . "switchbacking" . "switchback turns" . "hair-pin switchbacks" . "Hairpins" . "hairpin curves" . . "hairpin turn" . "hairpin corner" . "switchbacked" . "switchbacks" . . "hairpins" . "hairpin switchbacks" . "serpentine" . . "Switchback" . "Hairpin turn" . "switches back" . "switchback-style" . "Hairpin turn" . "switchback turn" . "Hairpin" . "hair-pin loop" . "hairpin turn-around loop" . "hairpin-bend" . . "hairpin bends" . "Hairpin curve" . "switchback" . "switchback curves" . "hair pin bends" . "Hairpin bends" . "hairpin bend" . "hair-pin turns" . "serpentines" .