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.
KANSAS CITY, Mo. â Jackson County watched as the Big Bang Event happened Saturday. More than 20,000 people gathered to watch the largest firework in the U.S. go off at Longview Lake. The 24â shell weighs more than 150 pounds and went nearly 2,000 feet in the air. When it came back down it looked like a weeping willow tree which was about 2,500 feet wide.