Crowds gather in Lobby 7 to view the beginning ceremony of the 2011 Mystery Hunt. Codex Alimentarius won this year’s hunt in 42 hours.

David M. Templeton—The Tech

Crowds gather in Lobby 7 to view the beginning ceremony of the 2011 Mystery Hunt. Codex Alimentarius won this year’s hunt in 42 hours. David M. Templeton—The Tech