Though the average specimen in captivity might live 25 or 35 years, an old koi named Hanako, from Mino province in Japan, has been shown to be over 215 years old based on analysis of her scales, and other 100+ year old fish are known from the same pond. Koi, like wild carp, can grow to 36 or more under perfect conditions.
The gold and silver medals weigh 412 grams (0.9 pounds) and the bronze medal weighs 357 grams (0.78 pounds). They are the biggest and heaviest summer Olympic medals ever made.
The total weight of the Statue of Liberty is 450,000 pounds (225 tons). The copper alone weighs around 100 U.S. tons and is 3â32 of an inch thickâa little less than the thickness of two pennies. It was hammered by hand into plates, which are attached to the interior iron frame.