This is a solid video describing Paris’ strategy for cleaning the Seine before the Olympics. Very cool. https://m.youtube.com/watch?v=S26CHpcD2zk&pp=ygUSQ2xlYW

This is a solid video describing Paris’ strategy for cleaning the Seine before the Olympics. Very cool. https://m.youtube.com/watch?v=S26CHpcD2zk&pp=ygUSQ2xlYW5pbmcgdGhlIHNlaW5l https://m.youtube.com/watch?v=S26CHpcD2zk&pp=ygUSQ2xlYW5pbmc...