From Imagethief, a blog kept by an American guy who works in PR in Beijing:
Giant Nosehair!
Is it an enormous concrete nostril-hair? Is it a huge tentacle emerging from the stygian depths beneath North Beijing? Is it a mock-up of your inner ear? A masterpiece of subjectivity that dominates its surroundings. Project your inner fears upon it.
LINK:
Image Thief: Annals of Chinese Public Art No. 454A: Giant Nosehairs!