Wikipedia
Rapperswil-Jona–Technikum
Rapperswil-Jona–Technikum is one of the 111 serial sites of the UNESCO World Heritage Site Prehistoric pile dwellings around the Alps, of which are 56 located in Switzerland. Located on a small former island on upper Lake Zürich in Rapperswil, a locality of the municipality of Rapperswil-Jona in the Canton of St. Gallen. Due to its location on a former island at the medieval Heilig Hüsli bridge chapel, the site sometimes is also referred to Rapperswil Heilighüsli or Inseldorf, meaning island village.