Bird tracks on the beach sand, in the Llobregat River Delta nature reserve, Barcelona, Spain

---

Size: 4000px × 6000px
Location: Barcelona, Spain
Photo credit: © Alvaro Ruiz / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ageing, barren, bird, damage, dead, desert, disaster, dust, earth, ecology, environmental, evidence, fertile, foot, footprint, funny, global, gold, grain, gray, growth, grunge, heat, land, layer, life, mark, material, memory, meteorology, paint, path, paw, pollution, print, process, relax, rough, shadow, step, textured, track, walk, warming, wave, wildlife