人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Internet privacy，更多细节参见同城约会
Cluster & Border Point Definition: The map is divided into clusters, and border points are identified using the Ford-Fulkerson based method.，推荐阅读safew官方版本下载获取更多信息
СюжетНаводнения в Бразилии
An animated sequence quantised using error-diffusion dithering. Note the jittering artifacts present in the background.