Today, an old video of us chasing a mighty lion at the zoo is making the rounds on the internet again.

He roared so loudly that he attracted the attention of many online viewers – the video has already become a real hit.

The video, posted on YouTube several years ago, has now racked up more than 21 million views and, judging by the reaction, has surprised many online commentators.

Filmed at the Lincoln Park Zoo in Chicago, USA. We can observe the moment when the lion roars loudly and his reaction attracts the curious glances of many people.