Gigapixel-Dresden.de - Large Size Panoramas
http://www.dresden-26-gigapixels.com/dresden26GP

The world largest picture. The picture was made with the Canon 5D mark II and a 400mm-lens. It consists of 1.665 full format pictures with 21.4 megapixel, which was recorded by a photo-robot in 172 minutes. The converting of 102 GB raw data by a computer with a main memory cache of 48 GB and 16 processors took 94 hours. With a resolution of 297.500 x 87.500 pixel (26 gigapixel) the picture is the largest in the world. (stand December 2009)

It took 172 minutes on a rooftop to shoot 1655 overlapping 21.6 megapixel images and 94 hours to stitch them together. The result is not only a gorgeous 26 gigapixel view of Dresden, Germany, but also the world's biggest photo.

世界上最大的照片：260亿像素。这幅260亿像素的照片由1655幅图像组合而成，每幅图像有21.6百万像素