Sacyr's Blog

The Stone of El Peñol is one of the largest rocks on the planet. It can be climbed using the so-called "stairway to heaven" that runs up one side. We look at how this extraordinary natural phenomenon was formed and how it has become an iconic tourist attraction in Colombia.

Imagine a T-shirt made from fungi that can repair itself. A team of scientists wants to create such a garment. They have already developed a fabric that brings them closer to this goal, but there are still some limitations to overcome.

The Greek goddess Nike crowns Mexico City's most emblematic monument. But was this sculpture inspired by a real woman? We investigate the answer to this and other questions about the monument that is today the scene of many protests, marches and celebrations.

After wars and natural disasters, some people are forced to live in tents for years. The Norman Foster Foundation wants to change that. These are the concrete 'tents' it hopes will provide a home for refugees.

Will California Forever be the new home of Silicon Valley's elite? A group of tech billionaires are reportedly planning to build a city from scratch in Northern California. We analyse the details of this ambitious project.