Signs and symptoms of an ACL injury usually include: 1  A loud pop or a popping sensation in the knee. 2  Severe pain and inability to continue activity. 3  Swelling that begins within a few hours.  Loss of range of 1  motion. A feeling of instability or giving way with weight bearing.
Subsequently Emerald City has occasionally been used as an unofficial nickname for the city of Sydney. The city of Seattle, Washington, in the United States uses The Emerald City as its official nickname, on account of how green it is in that region of the world.
Emerald, also called emerald green, is a tone of green that is particularly light and bright, with a faint bluish cast. The name derives from the typical appearance of the gemstone emerald. The first recorded use of emerald as a color name in English was in 1598. Ireland is sometimes referred to as the Emerald Isle due to its lush greenery. The May birthstone is emerald. Seattle is sometimes referred to as the Emerald City, because its abundant rainfall creates lush vegetation.