droningly the nameless impression that was lara spread farther and farther , across water and desert and field , down slopes and up hills , down highways and streets to finally reach walls that stood powerless to keep it outfor they too hummed now with the call , and hummed up girders and risers , through floors and glass , to finally reach the ear that recognized itself in the drone , in that distant choir , and so ceased what else it was doing and held its breath to listen , and again , what was this ?