Written by Amy Xia from Holton-Arms School, Maryland, USA The only thing separating us from complete darkness was a candle, not much larger than the size of a bottle cap. Its light flickered as we trudged through the narrow entrance of a cave where forebearers had left their marks hundreds of years earlier. The glimmer cast the shaky shadows of an eighth-grade class across the damp, uneven cave walls. Mud clung stubbornly to every surface of my worn-out sneakers and found amp