Bruce Munro’s Field of Light at the Eden Project.
The movie is from the Official Guide which is available free you.

Lighting designer Bruce Munro [Link]
the Eden Project in Cornwall, UK

Field of Light by Bruce Munro
Lighting designer Bruce Munro has completed his Field of Light installation at the Eden Project in Cornwall, England.
The installation is situated on the grass roof of the visitors’ centre, and consists of 6,000 acrylic tubes capped with glass spheres and containing optical fibres.

参考：
Bruce Munro – creative lighting solutions [Link]
eden-art-exhibition-bruce-munro [Link]
Dezeen » Blog Archive » Field of Light by Bruce Munro 2 [Link]
Field of Lights : Bruce Munro [Link]
BBC – Somerset – Entertainment – Field of Light [Link]
幻想的な「光の庭 」、エデン・ガーデンのインスタレーション [Link]
テクノラティで見るブログ「デザインの扉 | シブヤの片隅でつづる [Link]