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So, in a span of seconds, she went from nearing a personal triumph to finding herself alone and severely injured on a isolated and unforgiving mountainside with no food, water or extra clothing.

Reaching the final stretch of the portage, the group trudged past the power plant and its massive pipelines coming down the mountainside.

Damage can be clearly seen to one tunnel entrance at the northern tip of the facility near a complex by the mountainside.

It is hidden away in a mountainside south of Tehran, and is believed to be deeper underground than the Channel Tunnel connecting the UK and France.

Videos of the incident shared online show a large rock falling down a mountainside and large clouds of dust rising up.