With narrow slots, the eruptions occur eight hours after the tidal forces reach their peak. (sciencedaily.com)
Lake Powell's piercing blue water is a stark contrast to the golden cliffs and lush hanging gardens, and creates extremely narrow slot canyons that just beg to be explored. (caravan.com)
«It took us quite some time to come to the realization that these large teeth were framing narrow slots for filter feeding.» (sciencedaily.com)