published on: 2012-12-17 18:50:02
the-writings-on-the-wall: The burden of modern life.
crinzx.tumblr.com/post/38159493476/
ilovecharts: Pythagorean Theorem via xwidep
crinzx.tumblr.com/post/38163943074/
goldenxpvssy: gardeniaaa:
crinzx.tumblr.com/post/87993714444/