published on: 2015-01-07 23:41:47
ｔu m b l r - 15 🌹s
infinity-in-my-eyes.tumblr.com/post/107449332499/
infinity-in-my-eyes.tumblr.com/post/107497397099/
infinity-in-my-eyes.tumblr.com/post/107497406724/
Lemniscate of Bernoulli
Lemniscate of Bernoulli