Since 1986, Inco Limited, a mining and metals company, has been quietly running an underground nursery. At the 4,600 - foot [1,400 m] level of their Creighton mine, located near Sudbury, Canada, the nursery grows 50,000 seedlings each season.
Kaevandamis - ja metallitöötluskompanii Inco Limited on alates 1986. aastast ilma erilise reklaamita kaevandustes seemikuid kasvatanud. 1400 meetri sügavusel Creightoni kaevanduses, mis asub Kanadas Sudbury linna lähedal, kasvatatakse igal aastal 50 000 seemikut.