Five giant silver spheres swing above, echoing Newton's cradle in a hypnotic rhythm.
"It is forbidden not to touch", says Roberto Fantauzzi, founder of the Balloon Museum, who set up the Euphoria exhibition.
Five giant silver spheres swing above, echoing Newton's cradle in a hypnotic rhythm.
"It is forbidden not to touch", says Roberto Fantauzzi, founder of the Balloon Museum, who set up the Euphoria exhibition.