Vertigo...

Vertigo is an acute involuntary perception that everything around you is in a spinning motion as a result of a  dysfunction of the vestibular system. It is usually associated with nausea and vomiting…

I was sickeningly claustrophobic when I took this photo at the top level of a mall fearing that my camera will slip from my hands… Which became sweaty when I looked downwards realizing how far I am from the ground level.