Long ago, artists make) the camera obscura. the camera obscura (to be) a smaill. dark room with ahole in one wall. in this room light (to go) throuhg the hole and apicture (to appear) on the wall opposite the hole. 2) nowadays, when we (to press) the button on top of a modern camera, the shutter (to open). thhe light __ (to go) through the lens and the film (to record) the picture.