the rooftop is dark, mysterious. pieces of retrofitted junk can be seen in silhouette, edged in light from way below. de vries and guttierez carefully step over the threshold. they speak in whispers. it's very quiet, and we can hear the nervous breathing of guttierez and de vries as they cautiously stalk forward. the wind whips at guttierez as he blinks away his shock. guttierez and de vries hear the gunfire from below.