A wedding show featuring 4D hologram technology is held during the China Hi-tech Fair in Shenzhen, Guangdong province on Nov 16, 2016. Hong Zhimin, chairman of Dream View World group, said the technology can better satisfy the needs of the younger generation for a customized and unique wedding. With this system, young couples can have a dreamlike marriage like celebrities' without spending a fortune, Hong said. [Photo/IC]