This year marks the 61st anniversary of the primary inflatable structure

This year marks the 61st anniversary of the primary inflatable structure, which was designed in 1959 by an engineer, John Scurlock in Louisiana, USA. John actually came across his invention when he was creating an infallible project and saw his children enjoying jumping thereon . From there, he designed a variety of inflatable structures including inflatable domes, inflatable tents, inflatable signs and safety air cushions.