By The Mainichi Japan 17 July 12 http://mainichi.jp/english/english/newsselect/news/20120717p2a00m0na008000c.html
[Excerpted] "Tens of thousands of antinuclear protesters -- young and old, families and individuals -- packed Tokyo's Yoyogi Park on July 16 before taking to the streets of the capital with their demands for an end to nuclear power in Japan.
Despite the blazing sun and temperatures well over 30 degrees Celsius, organizers estimated some 170,000 people had turned out, making the antinuclear rally the largest since the meltdowns at the Fukushima No. 1 nuclear plant in March last year. There have been sizeable antinuclear rallies in front of the prime minister's office on Friday evenings since spring this year, but the Yoyogi event outdid them both in size and diversity, with young people and families joining in large numbers...."