Dubai is reportedly building the world's first refrigerated beach; heat-absorbing pipes running under the sand will keep the surface of the beach from getting too hot, and giant .
A concave cylindrical mirror, clockworked to follow the sun, focuses the solar rays on a vacuum-insulated tube filled with a heat-absorbing liquid such as black petroleum.
Using light-colored roofing and paving materials in place of black, heat-absorbing tar will also help.