Art.... beauty is in the eye of the beholder, thankfully we are all different, images today as you have shown are really stimulating, at first glance, nothing but then you look deeper and every time one sees something different an added bit, not just the keyhole and fingerprints but what and why the "heartbeat rhythm monitor" in a couple of your shots, there are more questions than answers. That is why I think art is a stimulation.

price cost value three different things agreed as Oscar Wilde was quoted as saying

"A fool is someone who knows the price of everything and the value of nothing".