总楼层面积:47.4平方米,6层 Gross floor area: 47.4 sqm, 6 floors 该城堡塔楼是一座历史纪念碑,受到当地政府的保护,同时也是苏黎世一座地标性的建筑物。城堡高21米,墙体厚3米,室内半径大约3.5米。 The castle-tower is under historical monuments’ protection and is a distinctive landmark in the region of Zurich. The tower is 21 metres high, the walls being up to 3 metres thick, and the interior radius averaging about 3.5 m.