On December 29th, 2014, Viner Lilianna Hogan posted a Vine clip taken during her vacation at the Volcanoes National Park in Rwanda, which begins with a panoramic view of the vista before panning over to her Rwandan tour guide who replies “okay” with a smile after she says “hi” in greeting (shown below). In the first three months, the video received over 25 million loops, 520,000 likes and 294,000 revines.

Source:  knowyourmeme