The construction of artificial dams are made of polyurethane, wood, or a natural rock, with the first being the most common

---

Size: 8256px × 5504px
Location: Madrid
Photo credit: © Tomás Llamas Quintas / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: artificial, background, bouldering, challenge, climb, climbing, copy, day, endurance, equipment, exercise, extreme, facility, fit, fitness, footholds, grey, grips, gym, hanging, health, healthy, hobby, hold, holds, indoors, jug, leisure, lifestyle, orange, outdoors, people, practice, recreation, risk, rock, skill, space, special, sport, sports, surface, texture, training, vertical, wall, workout