Thousands of men dressed in yellow uniforms and riding on bicycles, move like an army of ants toward the rice fields, the cattle farms, the chicken coops, the steel workshops, the garment and furniture producing factories, and the giant laundry in the vast school complex. From the sixth floor of the dormitory, one looks down at an expanse of green, a panorama that reflects the lyrical prose of a couplet _ `a human mass moving in the morning s