There are so many folks asking about flexibility/mobility i thought this video would be of interest.
Kalaripayattu is one of the oldest martial arts still in existence, and demands a high degree of flexibility.
It is still taught in many villages in the state of Kerala, South India.
Similar to other asian martial arts, strict sequences similar to katas are learned to teach principles of form and movement. Here is a traditional class taking place.
sa7dinnHADY
Maybe it will give some ideas for 'fun' ways to improve your movement range.