top of the treetop walkway tower in janske lazne town

stage support building communication architecture flag sky point metal spiral staircase steps observation tower ascending treetop lookout watchtower bottom czech wooden circular trail view steel treetops path janske lazne construction toboggan forest ladder trip tourism hike hiking attraction fun family playground great mountains krkonose environment table chair bench dust bin top walkway town town stezka korunami stromu tree walk czechia