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Walmart billionaire's futuristic city in the American desert would support 5 million peopleSeptember 7, 2021 -
Well-preserved Ice Age woolly rhino found in SiberiaDecember 30, 2020 -
Damage from border wall: blown-up mountains, toppled cactusDecember 18, 2020 -
Mysterious silver monolith disappears from Utah desertNovember 30, 2020