stilt houses (pfahlbauten), stone and bronze age dwellings in unteruhldingen town, lake constance (bodensee

archeology architecture bodensee bronze age building constance europe germany historical idyll lake constanze landscape meersburg museum nature pfahlbauten pile construction dwellings prehistoric reconstruction silhouette stilt house stone sun touristic uhldingen unesco unteruhldingen village water wooden woodhouse world heritage afrac14 berlingen