One day, thousands of bricks arrived to caochangdi and so many new buildings were built. These are images from my 2010 travels I've converted with this command: for i in *.jpg; do convert "$i" "`basename "$i" .jpg`.png" && autotrace -despeckle-level 15 -color-count 6 -input-format PNG -output-file "`basename "$i" .jpg`".svg -output-format svg "`basename "$i" .jpg`.png"; done