The Great Pyramid was an important religious and mythical centre in prehispanic times. Over a period of a thousand years prior to the Spanish Conquest, consecutive construction phases gradually built up the bulk of the pyramid until it became the largest in Mexico by volume. The Great Pyramid of Cho

The Tokyo 2020 Olympic Games are almost here. From striking aquatic centres to billion-dollar timber stadiums, Japan’s capital is now ready for the greatest sporting event on Earth.

Venice has battled rising water levels since the fifth century. But today, the water seems to be winning. Several factors, both natural and man-made, cause Venice to flood about 100 times a year — usually from October until late winter — a phenomenon called the acqua alta.

The solar panels making up this giant panda in Shanxi province could power more than 10,000 homes.

This video unveils the design for The Line, a 500-metre-tall mirror-clad skyscraper that will be built to house nine million people as part of the Neom initiative in Saudi Arabia.

How one construction team raised the roof -- literally.The Insane Plan to Lift a New York Theatre. Additional footage and images courtesy of L&L Holding Company, Nickelodeon, CNBC, Eyewitness News, The Museum of the City of New York, RKO Pictures, Earthcam, The Dronalist.

FROM its early days as a small fishing village at the start of the 20th Century, Dubai has transformed into a truly global city. From the vast Palm Jumeirah formed on land reclaimed from the Arabian Gulf, to the 7-star Burj Al-Arab hotel and the mega-tall Burj Khalifa – the emirate is now synonymous

These plastic bottles are now being viewed as a green, cheap and sustainable way to light homes. In rural Manila where homes are often built so close to each other that they have no windows or natural light these bottles are a God send. With electricity unaffordable or unavailable for many families ...

Penn was built on the concept of innovation. “If it’s new, novel and holds promise to change the world,” says President Amy Gutmann, “you’ll find it at Penn.”

Since 2008, Chicago has been implementing a series of strategies in its Climate Action Plan – an initiative that seeks to reduce the city’s greenhouse gas emissions by 80% below 1990 levels – and in 2019 committed to running the city on 100% renewable energy by 2040.