心凉了荒城海没了石窟
[xīn liáng le huāng chéng hăi méi le shí kū]
'Heart turned cold, empty city, sea disappeared, rock grottoes': this evokes images of abandonment, desolation, and despair, painting a vivid picture of someone's internal world where love or happiness has been lost, leading to profound emotional emptiness akin to ruins and vanished bodies of water.