New Challenges

What is DeepSeek? The Chinese AI that fights OpenAI

The Abraj Al Bait Tower: the history and characteristics of the fourth tallest skyscraper

The top 10 highest bridges in the world

What is the biggest dam in the world? The top 10 by reservoir size

From Zambia to Canada, here are the dams known for the size of their reservoirs

What is the longest bridge in the world? Here is the ranking

Extraordinary extensions, massive investments and years of construction

The 10 most famous and unique skyscrapers in London

Steel, glass, futuristic shapes and ways of saving energy: a look at the most iconic skyscrapers of the English capital.

Burj Khalifa: the skyscraper that soars above the Arabian Desert

A tapered skyscraper among the dunes of the Arabian Gulf, Burj Khalifa is an astonishing work of engineering.

What is the biggest stadium in the world? The ranking by capacity

From North Korea to the United States, these are the largest stadiums in the world

What is the tallest skyscraper in the world: a ranking

Skyscrapers in the world are a symbol of building innovation, especially as regards their height.