Red lines represent moves out of the city and black lines show the opposite.

红色线条表示迁出的主要方向，黑色线条则表示迁入方向。

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Mecca a city of western Saudi Arabia near the coast of the Red Sea.

麦加沙特阿拉伯西部城市，位于红海沿岸。

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Mecca a city of western Saudi Arabia near the coast of the Red Sea.

麦加沙特阿拉伯西部城市，位于红海沿岸。

youdao