BEIJING, May 14 (Xinhua) -- China has engaged in the construction of several major projects to improve infrastructure connectivity under the Belt and Road Initiative, Chinese President Xi Jinping said Sunday.

China, in cooperation with relevant countries, has accelerated the building of Jakarta-Bandung high-speed railway, China-Laos railway, Addis Ababa-Djibouti railway and Hungary-Serbia railway, and upgraded Gwadar and Piraeus ports, Xi said in a keynote speech at the opening ceremony of the Belt and Road Forum for International Cooperation.

A large number of connectivity projects are also in the pipeline, Xi said.

He noted that a multi-dimensional infrastructure network is taking shape, underpinned by economic corridors such as China-Pakistan Economic Corridor, China-Mongolia-Russia Economic Corridor and the New Eurasian Continental Bridge.

The network features land-sea-air transportation routes and information expressway and is supported by major railway, port and pipeline projects, Xi said.

?