A wooden artefact found on the step pyramid at Saqqara looks uncannily like a modern glider.

"在塞加拉的梯形金字塔上，人们发现了一个木制的手工制品，这个手工制品与一种现代滑翔机惊人地相似。

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Pyramid at CHICHEN ITZA, Mexico: This step pyramid surmounted by a temple was part of a sacred site in an important Mayan center on Mexico's Yucatan peninsula.

奇琴伊察金字塔(墨西哥)：阶梯形金字塔建造于庙宇之上，是墨西哥尤卡坦半岛上重要的玛雅文明中心的圣地的一部分。

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The function performs the downsampling step of the Gaussian pyramid construction. First, it convolves the source image with the kernel.

该函数执行高斯金字塔结构下采样的步骤。首先，它与内核的源图像进行卷积。

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Shoot a variety of shots (someone scrambling up a huge pyramid step, the family framed in the doorway of a tomb) to create the quintessential travel photo: a beautiful, interesting moment.

FORBES: Fail-Proof Tips For Great Vacation Photos

From Giza, head 15 miles south to see the Step Pyramid near the village of Saqqara.

BBC: The perfect trip: Egypt

The step pyramid was built above the tomb of pharaoh Djoser, a warrior who reigned in the Old Kingdom in the third dynasty for 19 years.

BBC: Newport firm stabilises Egypt's earthquake-hit pyramid