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The conference is expected to reach rich and concrete results, such as a series of bilateral and multi-lateral initiatives and agreements, and the results of projects and research will also be announced during the conference, Xu said at the press conference.

-- In total, 3.38 billion passenger trips were made on railways, up 9.4 percent.

Failure can be tolerated but safety should be ensured during the development process, according to the Ministry of Transport.

China plans to add 6.73 million hectares of afforested areas in 2019 to further expand forest coverage. Spring is short, so plant trees and make a difference not only in China, but also the world.

Nicholas Yang, secretary for innovation and technology of China's Hong Kong Special Administrative Region government, also attended the ceremony. He said that true innovation comes from collaboration and by pooling together the world's top scientific institutions to collaborate with local universities. Hong Kong is poised to become a hub for global research collaboration, he said.