Seven Wonders of the World, seven-star hotels and now, according to its creators at least, witness the arrival of 7-D cinema - complete with handheld guns, machine-created bubbles, and a few early glitches.

Shanghai Qing Yu Intelligent Systems Engineering claims to have come up with the concept and plans to commercialize it locally this fall.

The company is running a pilot version at the Shanghai International Science and Art Exhibition, which kicked off on Wednesday and runs until Monday.