Three sunflowers and pellets made of them

---

Size: 6868px × 4912px
Photo credit: © Tatyana Aleksieva-Sabeva / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alternative, background, biofuel, biomass, boilers, briquettes, brown, bulk, burn, close, closeup, ecological, ecology, economy, energy, environment, environmental, fire, firewood, fuel, green, heat, heating, horizontal, macro, mass, material, natural, nature, oak, organic, pattern, pellet, pellets, pieces, pile, pine, power, renewable, season, stove, sunflower, texture, view, white, wood, wooden