Then Harry darted out. He Apparated from space to space at breathtaking speed, dodging the harmful spells until he was behind each gemstone in turn, watching as tree branches were decimated and road signs punctured where the spells hit them instead of him. Then Harry physically pushed the gems towards the monument at the centre of the square. They were all enchanted with hovering charms, so he simply eased them forwards until they were touching one another.