Across northern Syria, rebels, soldiers, and civilians are seeking shelter in ancient and medieval antiquities built of thick stone.
Syrians Take Shelter in Ancient and Medieval Sites

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A Free Syrian Army fighter, Abu Mohammed, speaks inside a cave used for shelter from Syrian government shelling and airstrikes, Jabal al-Zaweya, Idlib province, Syria, Feb. 28, 2013.

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Syrian children walk out of an underground tunnel that their father made with a jackhammer for shelter from Syrian government forces shelling and airstrikes, Jirjanaz village, Idlib province, Syria, Feb. 28, 2013.

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Sobhi al-Hamod, 60, stands inside an underground shelter he made using a jackhammer to protect his family from Syrian government forces shelling and airstrikes, Jirjanaz, Idlib province, Syria, Feb. 28, 2013.

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Nihal, 9, looks at the entrance of an underground Roman tomb used as shelter from Syrian government shelling and airstrikes, Jabal al-Zaweya, Idlib province, Syria, Feb. 28, 2013.