Sacyr's Blog

The enormous dials of the Great Clock of Westminster housed in Big Ben are seven metres in diameter. Each hour hand measures 2.7 metres, while the minute hand is 4.5 metres long. Let’s look at how this iconic London megastructure was erected and the challenges it faces today.

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.

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.