Entertainment » OtherPosted at: Sep 21 2016 3:49PM Passengers thrilled in travelling in underground tunnel in Metro for first timeChennai, Sep 21 (UNI) Passengers in the maiden Metro trainfrom Airport to Little Mount were in awe as they entered the underground tunnel in the city for the first time.Please log in to get detailed story.Tags: #Passengers thrilled in travelling in underground tunnel in Metro for first time