Mondrian painting hanging upside down in different galleries for 75 yrs, claims historian

A painting by abstract Dutch artist Piet Mondrian, titled 'New York City I', has been hanging upside down in various museums for 75 years, art historian Susanne Meyer-Büser claimed. A photograph of Mondrian's studio, taken few days after his death in 1944, shows the same painting the other way up. It'll continue to be displayed upside down at museums.