I've just found by chance small pieces of colored paper. Old forgotten traces of some of my travels during these last years. I took planes to meet ghosts from my past, to see my family, because I was in love, to defend myself successively in front of the police, a judge, and a whole court, to listen to the last developments in plant molecular biology, to visit some new fascinating country. It looks like there is a certain bias towards Scandinavia. It's because I always wanted to see northern lights. Believe me, it's beautiful to watch when the night sky starts a show of dancing green lights. One day I will live there.