Wielki Staw (Polish for The Big Pond) is a post glacial natural lake in the Krkonoše mountains, in western Poland. It is situated in the Karkonosze National Park at the bottom of the cirque, on the southern slope of the Smogornia mountain.|
Trefl HistorySince it was founded in 1985, Trefl Group has been one of the leading companies in Pomerania (Pomorze). It has both manufacturing and trading subsidiaries, three sports companies and a media company. The main business of the group is the manufacture and distribution of jigsaw puzzles, board games and playing cards.