This is the heartbreaking moment children gather around their pal in a slum to celebrate his birthday with a cake made of sand. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/New%20public/CEN-CakeBirth-01.mp4 Maxsuel Ferreira's friends immediately started making a cake and different candy-shaped figures of sand when they heard that the lad, nicknamed Suel, turned two in Barras,…