今の周囲と地形を見ては，なぜここに砦があったかは分からない。いつものことながら想像力を働かせる必要がある。＠安平古堡 Looking at the present surroundings and the topography, you can't know why the fort was made here. It is sometimes necessary to work imagination, same as everywhere when you see old structures, ruins, etc. @Fort Zeelandia