Tight knot on the rope (concept of unsolved problem) isolated on the white background.

---

Size: 3842px × 2561px
Photo credit: © Juri Samsonov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: attached, background, braided, close-, intertwined, isolated, knot, link, object, problems, rope, single, string, tie, tied, tight, twisted, tying, white