Richelieu had unused forts filled with gunpowder and blown up. I suppose it was the most efficient way to get the stones back to build other stuff. The Regnevi

Richelieu had unused forts filled with gunpowder and blown up. I suppose it was the most efficient way to get the stones back to build other stuff. The Regneville castle partially survived the ordeal... https://www.google.com/maps/place/Ch%C3%A2teau+De+Regn%C3%A9ville/@49.0073887,-1.5532618,3a,75y,90t/data=!3m8!1e2!3m6!1sAF1QipOz3HKOTP0BBwL9IS9qR4dH37o_pDt0DvvMcjqP!2e10!3e12!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipOz3HKOTP0BBwL9IS9qR4dH37o_pDt0DvvMcjqP%3Dw203-h152-k-no!7i4128!8i3096!4m5!3m4!1s0x480c0d6baec66677:0xcbafcbe36eb2d9f3!8m2!3d49.0074933!4d-1.553506 https://www.google.com/maps/place/Ch%C3%A2teau+De+Regn%C3%A9... https://www.google.com/maps/place/Ch%C3%A2teau+De+Regn%C3%A9ville/@49.0073987,-1.5533071,3a,75y,90t/data=!3m8!1e2!3m6!1sAF1QipOwx95RHmn16KbxEUih1mtRSsNYn34gHkof7HNV!2e10!3e12!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipOwx95RHmn16KbxEUih1mtRSsNYn34gHkof7HNV%3Dw203-h152-k-no!7i3968!8i2976!4m5!3m4!1s0x480c0d6baec66677:0xcbafcbe36eb2d9f3!8m2!3d49.0074933!4d-1.553506 https://www.google.com/maps/place/Ch%C3%A2teau+De+Regn%C3%A9...