Made_to_Explain on Instagram: "The wall that hides until it's needed. 🤯🇳🇱 The Netherlands is the world leader in water management, and this is their latest trick. Instead of building permanent, ugly concrete walls that block views, they installed dynamic barriers that live underground. When a storm hits, the water pressure automatically lifts the barrier to protect the city. No motors, no sensors, just pure physics. This is what the future of climate-adaptive cities looks like. Hashtags: #Tec