> > Fort de Roovere was surrounded with a shallow moat that was too deep to march across, and too shallow for boats. In turn the earthen fort had remained protected –until now.
> > はい(;´Д`)どうぞ
> ｴｷｻｲﾄさんに聞いたよ(;´Д`)橋を作るには深すぎてﾎﾞｰﾄで渡るには浅すぎってどういうこと？

違うよ
攻め入られてもお堀が歩くには深すぎて船で渡るには浅すぎるから守られたって話だ

参考：2011/11/15(火)22時50分09秒