AlUla, the city that lies northwest of the Kingdom of Saudi Arabia, is a place of exceptional natural beauty and deep history, home to a wide range of flora, fauna and human communities for thousands of years. Centred around its famed oasis and framed by sandstone mountains, AlUla's geography, environment and climate have enabled human societies to flourish here. AlUla is a unique and extraordinary landscape because of one region's three distinct geological eras. The earliest geologic ages formed the rocks of AlUla during the Precambrian Arabian shield rocks, which are marked by different sedimentary rock layers. Laid down over millions of years, these rock layers contain a permanent record of the Earth's past, including the fossilised remains of plants and animals buried when the sediments were formed.
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