ATLANTA – Thursday's Random Act of Kindness surprised passengers traveling through Hartsfield-Jackson Atlanta International Airport, the world's busiest airport. Watch traveler's faces as they are caught off guard when Karyn Greer joins them at the cash register in the 11Alive Travel Store.

Traveling through Hartsfield-Jackson? Be sure to visit the 11Alive Travel Store in Concourse B for your travel needs!

RELATED | 11Alive store opens at Atlanta airport

Read or Share this story: http://on.11alive.com/1mwKbO8