What is ‘Walled City Wall’? It’s a giant concrete wall, but it’s also a place where people can go to escape the heat

Walled City Walls are tall, thin walls that can be built to keep out the heat.But the walls aren’t always as sturdy as we might think, especially if you’re on a tight budget.A few years ago, researchers in Australia were testing the effectiveness of this type of wall in their lab.The researchers wanted to test […]

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