Common bleak extracted from the scales of the common bleak, so-called "Essence Orientale" or "pearl essence", (used in making artificial pearls) which is crystalline guanine. Common bleak The common bleak ("Alburnus alburnus") is a small freshwater coarse fish of the cyprinid family. The body of the bleak is elongated and flat. The head is pointed and the relatively small mouth is turned upwards. The anal fin is long and has 18 to 23 fin rays. The lateral line is complete. The bleak has a shiny silvery colour; and the fins are pointed and colourless. The maximum length is approximately 25 cm. In
Bleak Night happened, starting with Ki-tae's needling and bullying of Hee-joon and the latter's response. Bleak Night Bleak Night (; lit. "The Lookout") is a 2010 South Korean coming-of-age drama film written and directed by Yoon Sung-hyun. The film is about a father's search for answers following his son's death, and the shifting dynamics at play among three high-school friends. A Korean Academy of Film Arts graduation project by Yoon Sung-hyun, it received rave reviews and won several Best New Actor awards for Lee Je-hoon, as well as Best New Director for Yoon at the Grand Bell Awards and Busan Film Critics