This is The Holy Celestial Palace in Sakado city, Saitama Japan. http://blogs.yahoo.co.jp/whfsc363/66099279.html
If you're in Tokyo, Japan and want to know where the Ghibli Museum is, this link will take you there.
This is "the YOSAKOI Dance" performed at The Holy Celestial Palace in Sakado city, Saitama Japan. This is a very famous Japanese dancing named "SOSAKOI". This dance is performed at many many festivals in all of Japan. It's original place is KOUCH, Sikoku big island. "SOSAKOI" dancing is especially performed at dammer festivals in Japan. http://blogs.yahoo.co.jp/whfsc363/66096975.html