When they came to build the southern spire, the foundations began to sink.当他们最后建造南边的塔尖时，地基开始下陷了。Thomas could just see the tops of the cathedral's twin towers.托马斯只能看到大教堂双塔的塔尖。When they came to build the southern spire the foundations began to sink.他们建南边的塔尖时，地基就开始下沉了。