If the current server is not working, please try switching to other servers.
This film is part of the #SandMapping project, a worldwide DIY land art project: www.sandmapping.wordpress.com. The algorithm for this #SandMapping, "Achilles and the Tortoise” was proposed by Simone Munaò, PhD Mathematics and Patrick Hafkenscheid, PhD student Mathematics, both working at the faculty of sciences, department of Mathematics, VU Amsterdam.
