The queensnest2.rar file you have requested: Modifications / natural selection / Models / Alien Buildings / Natural Selection: Queens Nest Alien Building - 452.16kb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Half-Life, visit Halflife2.filefront.com Another Alien Model made by slayerkl2 aka -Sublime- which also is a building from the StarCraft game. This model will replace the original Alien Sensory Chamber.