Which of these famous architectural projects features a 'bioclimatic' façade system that automatically adjusts to optimize energy efficiency without human intervention?

Sustainable design has become a cornerstone of modern architecture, with firms increasingly focusing on environmentally responsible practices. Buildings today incorporate everything from passive solar design to living walls, but some architectural masterpieces have become iconic symbols of sustainability. This poll tests your knowledge of famous sustainable architecture projects and their innovative packaging of sustainability concepts into built form.

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Al Bahar Towers (Abu Dhabi) with its responsive geometric façade that opens and closes based on sun position
The Edge (Amsterdam) with its connected lighting panels that adjust based on occupancy and natural light
The Bullitt Center (Seattle) with its automated window systems and retractable external shades
One Central Park (Sydney) with its hydroponic façade systems that change opacity seasonally