Japan has about 128 million people within a land base the size of California, and Expo 2005 in Aichi is the main attraction in the country now through Sept. 25. Expect crowds, but the grounds offer ample restrooms and seating.

The Expo's theme is "Nature's Wisdom." It is divided into six sections called Global Commons, focusing on global problems and peaceful coexistence with nature. The grounds are beautiful, with a forest area and something of interest for every age and gender. Two odd, green, furry mascots, Morizo and Kiccoro, wander the grounds.

Purchase a multiday pass; we visited twice and didn't see everything.

Our original intention was to visit the most popular spot, the Toyota Group Pavilion, but the wait was too long so we switched over to the Hitachi Pavilion as we were determined to get into at least one major attraction. Hitachi introduces new products here; a "Nature Viewer" allows entrants to learn about endangered species while a virtual reality feature brings animals right into your hands.

There is much more at the Expo that focuses on interactions of nature and technology.