Et al means and others or it can mean and elsewhere. When used in citing a reference it often means there are multiple authors of the work cited and the citation is for the first author and the others. John Smith, et al would mean John Smith and his coauthors.
1 NEW YORK: The 39th annual Macy's Firework Show over the East River will last for 25 minutes and draw a crowd of over 3 million spectators. As the biggest firework display in the US, this year's show features more than 50,000 effects. 2  WASHINGTON, DC: Lasting over 17 minutes, this show is among the largest in the US.
America's Largest Recreation Vehicle Show 2017 will be between 13 Sep and 17 Sep 2017. The Trade Show location is Giant Center in Hershey, Pennsylvania USA. Largest RV Show would be a base where plenty of beneficial products might be displayed. Many of these are typically about Camping, RV, Recreation, Rv Accessories and Recreational Vehicle.