Ecology concept. White puzzles lie on a green background, in place of an open puzzle it is written - Green challenge

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Size: 5906px × 3898px
Photo credit: © Dzmitry Skazau / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: access, assistance, attack, biology, business, challenge, change, climate, club, competition, concept, content, exam, exercise, game, good, green, greeting, health, hope, idea, inspiration, job, leadership, lettering, life, message, motivation, opportunity, person, play, positive, protection, question, quote, recreation, start, strategy, success, support, text, transition, wisdom, word