La compleja geometría del diseño islámico - Eric Broug
15:00
Constructing four fold Geometric Patterns correctly – using the traditional method
50:30
Complete Beginner's Guide to Mandalas & Sacred Geometry Art
4:46
A day in the life of a teenager in medieval Baghdad - Birte Kristiansen and Petra Sijpesteijn
19:21
The Alhambra Explained
5:08
Why incompetent people think they're amazing - David Dunning
17:44
Building the Moroccan Court
5:26
Do you really need to take 10,000 steps a day? - Shannon Odell
14:47