published on: 2014-12-24 01:16:04
underground
underground
you're art
Lemniscate of Bernoulli
Lemniscate of Bernoulli
Lemniscate of Bernoulli
published on: 2014-12-24 01:16:04
underground
underground
you're art
Lemniscate of Bernoulli
Lemniscate of Bernoulli
Lemniscate of Bernoulli