Dozens of foreign leaders and distinguished guests will attend the opening ceremony of the Shanghai World Expo on April 30, Chinese Foreign Ministry spokeswoman Jiang Yu said Tuesday.

The Shanghai World Expo will continue for six months. It will be the largest world exhibition ever and is expected to attract 70 million visitors from both home and abroad.

The 184 days of exhibition following the opening ceremony, presented by 192 countries and 50 international organizations, will be wonderful as well, Jiang told a regular press conference.

"We warmly welcome foreign leaders and people to visit the Expo and China," Jiang said.

(Xinhua News Agency April 28, 2010)