Subscribe | UPI Odd Newsletter Subscribe KRUGER NATIONAL PARK, South Africa, April 1 (UPI) -- An unamused lion in South Africa responded to a tourist's attempt at a roar in the most passive-aggressive way -- with a yawn. The video, filmed near Biyamiti Weir in Kruger National Park March 18, shows two lions relaxing by a tree when the tourist filming them attempts a roar. Advertisement