Today 40,000 Norwegians crammed into Oslo's Youngstorget Square to sing a Norwegian version of Pete Seeger's song Children of the Rainbow. Youngstorget square is very near to the court where Anders Breivik is being tried for mass murder.

Here's a link to the video

And here's one to the news report.

Apologies, I've just noticed that my thread title says 400,000, not 40,000. Well, if the square had been big enough..................