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16 giant infrastructure projects that could reshape the world

Completed in September 2016, China's Pingtang telescope is now the world's largest radio telescope. Its dish measures 1,640 feet across and is capable of capturing signals more than 1,000 light-years from Earth. (Business Insider)

16 giant infrastructure projects that could reshape the world

Business Insider

The world is full of inconceivably huge projects happening right under our noses.

Take the Hong Kong-Zhuhai-Macau Bridge, which will link three major Chinese cities in the country's quest to bring 42 million people together. Or Norway's plan to build the world's first fully-submerged floating tunnel to cut travel times between fjords in half.

Those efforts and many others illustrate how investing billions of dollars in enormous projects can collectively make the world a better place to live.

Here are some of the biggest projects the world has seen so far.

This gallery originally appeared as a Business Insider article.