For 2017's "i Light Marina Bay Festival, a sustainability-focused, Singapore-based spectacle, Choi+Shine Architects created The Urchins, a series of 3 interactive installations. The crochet sea urchin sculptures have been meticulously crafted by hand, offering attendees a one-of-a-kind immersive experience." Learn more about how these were crafted and brought artists together to create the three 56 feet tall urchins by clicking through.