Lokalgeschichte / Local History In der Altstadt von Wismar, an der Runden Grube. A view from a dark room through an old window out on a house called „Gewölbe“ built 1674 to 1650. The house is built on top of two arches spanning the outlet of the waters of „Runde Grube“, at the end of the canal „Frische Grube“, into the old part of the habour and the Baltic Sea. The „Gewölbe“, next to a gate, on the old town map from the year 1710.