Could that be one of the Martian killing machines lurking in the foliage? Surely the good people of Tongwynlais in South Wales will come to the defence in such times of threat to the planet.

Until we speak again, Castell Coch is well situated to surveil any prospective marauders… whether they be inquisitive Cardiff folk daring to venture towards the wild lands of the South Wales Valleys, or maybe even misguided Martians‘ in search of intelligent life!