In addition to this, student Tikirau Hathaway (12) won the "People and Biodiversity" youth section and Rawiri Milne (12) came second in the "Land and Sky" youth section.
Shared between Chile and Argentina, southern Patagonia is chiefly a land of vast, desolate steppes, though the Chilean section also has areas of conifer and beech forest.
Some of the rock face is owned by the Downs Committee, another section by residents in a nearby block of flats and and the land below by another private owner.
Analysts reckon that at least 15 of the 119 construction firms listed on the first section of the Tokyo Stock Exchange are bust in all but name, as the value of their land holdings bought at the height of the bubble has plummeted and loans guaranteed to subsidiaries and property developers have turned sour.