China has many ghost towns ... animals including goats and cows herded in make-shift pens. Inside the grand buildings you'll find chandeliers, paintings, and other furnishings still in place.

History is filled with massive infrastructure projects, but China has topped the list of longest bridges in the world with the Danyang-Kunshan Grand Bridge.

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.