@ch_akanksha It usually happens when someone sits in one place for a long time. Blood collect at one place aisa kuch logic hai.
It happens to me too when I am traveling for 5- 6 hours continuously.
Jenny Holzer began creating these works in 1977, when she was a student in an independent study program. She hand-typed numerous "one liners," or Truisms, which she has likened, partly in jest, to a "Jenny Holzer's Reader's Digest version of Western and Eastern thought."