Castle Cornet old cannon time lapse in Guernsey English Channel Islands

castle cornet old cannon timelapse guernsey english channel islands historical heritage landmark fortification military architecture history defense coastal ancient historical site medieval fortress tourist attraction english heritage island channel islands british isles historical landmark heritage site architectural structure historical building landmark building travel destination castle grounds european history island history military history island defense coastal defense cannon firing guernsey castle fort english channel landmark island exploration timelapse video architectural heritage