Gweebarra River I, Portnoo, DonegalThat last crescent of sand was maybe twenty minutes from disappearing. The tide was already reclaiming the Gweebarra estuary, flowing across the submerged banks in sheets of turquoise, and only this one pale sliver was still holding above the waterline. Small waves breaking gently across its surface. Looking straight down changes everything. No horizon, no sky, no sense of scale. The deeper channels between the sandbanks read as dark teal curves, the