william hillyer brand -- william holden explains. >> one of the great symbols of france arrived. demonstrators in paris paid tribute to the journalists, the jews, and police killed in the attack. the attacks shook the country then brought it together. >> we are here to prove to people that france is a welcoming country, that we are free to express our joy or whatever we want to. >> there is a feeling of unity serenity calm. everyone is united, regardless of their religion or color of skin. it is incredible. >> the march was supposed to kick off at -- but massive crowds gathered quickly filling sidestreets and paralyzing much of the eastern side of the capital. >> this is what france is. it is us. it is everyone. all we want is to be together. >> messages of unity and thanks. demonstrators applauded french security forces as they moved through the crowds. >> they are always there. they risk their lives doing everything they can. we are profoundly grateful for them. >> it is unity beyond the borders. an israeli and palestinian man share and embrace. a chance for people to come toge