The song just seems to show the frailty of human life, how we base or life on things that we think are strong ('castles') when in reality they are weak and will break easily. It shows that nothing lasts forever.
The song just seems to show the frailty of human life, how we base or life on things that we think are strong ('castles') when in reality they are weak and will break easily. It shows that nothing lasts forever.