By Arianna Williams, Belmont Voice correspondent The sun scorches the land as children dive into the pool. While some swim to cool down, others slide and swing on the bright blue playground set, affectionately called Big Blue. Belmont Day Summer Camp has been a cornerstone of the community, educating children during the summer for eight decades. Here, students learn to swim, build robots out of Lego, play all sorts of sports including soccer, basketball, and archery, and, most importantly, make…