Thebes was the ruling capital of ancient Egypt during its most dominant eras, beginning with the Old Kingdom 4500 years ago, and is home to two of its most revered temples at Karnak and Luxor.

从4500年前的埃及古王国开始时，底比斯就被古埃及大多数重要的朝代定为首都。

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One of Dr Weiss's former students, Sarah Parcak, of Cambridge University, presented data to the meeting on how a third period of cooling and drying, 4, 200 years ago, destroyed the Old Kingdom of Egypt.

ECONOMIST: Climate change and civilisation

The dealer trusted him enough to produce a crate of what he said were artefacts more than 3, 000 years old, from Middle Kingdom Egypt.

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Of course, rain-fed agriculture is even more vulnerable to climate change than the irrigated variety, as Ms Parcak's Cambridge colleague Lauren Ristvet showed the conference with her study of northern Syria during the same period as the fall of Egypt's Old Kingdom.

ECONOMIST: Climate change and civilisation