Assorted links

1. Charles Mann on China and clean coal.  Excellent piece.

2. Tokyo fashion icons.

3. Why Wu Tang will release just one copy of its special album.

4. Very good five minute video clip about the building of 17th century Amsterdam and the origins of liberty.

5. Behind the scenes at the robot Olympics.  And how robots and drones are transforming wildlife documentaries.

6. Generic brand video (pretty awesome, hat tip Yana).