1.   All the lug nuts roll through a sewer grate.

2.   In Nogales, storm drains pro vide a smuggling superhighway, with traffickers parking over sewer grates to load cars through holes in the floorboards.

3.   Its central component is a life-size concrete sculpture of Our Lady, straddling a sewer grate, with a bronze culvert pipe passing horizontally through her.

4.   There may be glass, debris, poor pavement, sewer grates and other hazards that may cause conditions to be very unsafe. . . .

5.   From the static panels of a few years earlier, now scenes could be perceived through skylights, or from below a sewer grate.

6.   With the main plaza occupied for weeks, the stench of urine permeates the air from makeshift latrines set up over sewer grates.