On the western side, the challenge was the NiagaraEscarpment, a 23-metre (75-foot) rock ridge. Canal engineer Nathan B.
在运河的西段挑战来自于尼亚加拉悬崖，那是一个高达23米的石质山脊，运河工程师Nathan B。
2
Mighty Niagara Falls, pouring over the NiagaraEscarpment to the sound of rolling thunder... most of the time, yes, but not always.
给力的尼亚加拉瀑布倾斜在尼亚加拉悬崖上，声音如雷声咆哮…是的，大多数时间是这样的，但不总是。
3
The process began with a derelict house within both the Municipal Hamilton Conservation Authority and the Provincial NiagaraEscarpment Commission protected zones.