 
 <prompt> Wetin Schanze suppose do? Given di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: The city waka go the west side of the boundaries of the peninsula wey River Aare form. The Zytglogge tower show the western boundary of the city from 1191 reach 1256, when the Käfigturm come take over until 1345. E come pass give the Christoffelturm (wey dey close to where the railway station dey now) reach 1622. During the time wey the Thirty Years' War dey happen, two new fortifications – the big and small Schanze (entrenchment) – dem build to protect the whole area of the peninsula. 