That's why the recent discovery of a 1, 300-year-old mural at Calakmul, Mexico, is so significant.

那就是为什么最近在墨西哥卡拉克穆尔古玛雅城所发现的有1300年历史的古代壁画，具有非常重大意义的原因。

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Records at the site suggest the site came under attack by another Maya center, Calakmul, in 599 and again in 611.

现场记录表明当地曾遭到另一个玛雅中心卡拉克·穆尔的攻击，一次是在599年，另一次在611年。

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One corner of the painted Maya pyramid structure at Calakmul, Mexico. One layer of the mural must still be excavated.

墨西哥的卡拉克·穆尔·古玛雅城(Calakmul)，在一个彩色玛雅金字塔的角落里，还有一层壁画仍然需要继续发掘。

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Calakmul's vast ruins, with Mayan monuments and pyramids, are ringed by rainforest.

BBC: Mini guide to the Yucat��n Peninsula, Mexico

Continue on to Sayil, where you will find a pyramid with a delicate roof-comb not unlike the ones you will find in the larger Maya sites of Calakmul and Palenque south from here.

BBC: The forgotten ruins of Mexico��s Ruta Puuc