v jazyku Yupno sa clovek orientuje podla kopcov - http://news.nationalgeographic.com/2016/04/160413-people-mind-bending-way-navigate-spatial-languages/?utm_source=Facebook&utm_medium=Social&utm_content=link_fb20160414news-yupno&utm_campaign=Content&sf24310035=1

tito ludia ziju smerom hore

In this region of Papua New Guinea, a river runs through the valley on a gentle slope, and the team believes that Yupno speakers mentally map this river onto to the central fireplace and construe it as running “downvalley” towards the door. The steep slopes that run perpendicular to the river become the “uphill” slopes from the fire to the side walls.