Before that day children did different activities.
In the photos below you can see children doing an original plant.
It consists of colouring a flower and write on it a word related to peace.
After that, they stick all flowers together in order to form a large plant.
Other activity was to form a circle on the playground where all children were held hands. They sang the song "Sólo pido la paz" by Jesús Mondéjar.
After that some children read some sentences about peace by famous people like Nelson Mandela, La madre Teresa de Calcuta, et.