Toptotop global climate expedition. 7-summits non-stop round-the-world by human power and natures
Toptotop is the first ever non-stop Seven-Summits expedition that will be completed using only human and natural energy resources. The expedition is one of the largest ever undertaken and is organised by an international group of voluntary members of the TOPtoTOP organisation, who will travel the world in the next four years, scaling the highest mountains on each of the seven continents, ...
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