Canyoneering is all about the serendipity of discovery, he says.
他说：“峡谷探险的乐趣就在于意外的发现。”
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The rugged Wolgan Valley in the Greater Blue Mountains, just outside Sydney, contains several popular canyoneering spots.
坐落在蓝山之中的崎岖的沃尔根山谷。它离悉尼不远，其中还包括了许多峡谷溪降的热门地点。
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The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.