an Entity references as follows:
The Volem acollir protest (meaning "We want to welcome") was a protest march in Barcelona that took place on 18 February 2017. The purpose of the march was to demand more openness towards refugees and a more active role of the European Union in the European migrant crisis. They planned for it to be the largest protest in Europe and they achieved the goal. The size of the march was estimated at 160,000 by police and 500,000 by organisers.