Sacyr's Blog

Built almost 100 years ago, at the height of the frenzied competition between major cities to have the world's tallest building, the Empire State Building remains a major tourist attraction in New York City. Long after being surpassed by others, it retains the aura that made it the headquarters of major companies and the setting for iconic films such as King Kong. We look back at why and analyse the energy efficiency challenges that await it in the 21st century.

Jeanne Gang designed the St. Regis Chicago skyscraper, a 101-storey, 363-metre-tall megastructure inspired by the geometry present in natural materials like crystal and sapphire. These are the iconic buildings that owe their construction to influential female architects.

While the Flatiron building is only two metres wide at one end, some very narrow homes such as the Keret House contain a kitchen, bathroom, living room and bedroom. We take a look at the narrowest buildings on the planet.

For half a millennium, the Roman Colosseum was the scene of fierce gladiatorial combat, chariot races, parades of exotic animals and even public executions. We analyse the construction of the world's largest amphitheatre, which has also been a source of inspiration for emblematic films such as Gladiator.