The 2005 World Exposition, Aichi, Japan ( Expo 2005 Aichi ) was held from March to September 2005 on the theme “Wisdom of Nature”. At NHK booth, the Super Hi-Vision images were displayed on a 600-inch screen. As there were about 8,000 visitors each day, for six months some 1,560,000 people have seen these images and enjoyed crystal-clear ultrahigh-definition wide-screen system on the big screen.