Font: Nacions Unides [1]
Enllaços[1] https://infogram.com/water-day-spanish-1h7z2l8zyjwzx6o [2] https://www.sostenible.cat/categories/aigua [3] https://www.sostenible.cat/etiquetes/aigua-potable [4] https://www.sostenible.cat/etiquetes/dia-mundial-de-laigua