This individual is preparing for and starting the Body Combat quest. It’s a Les Mills collaboration I think and it’s the most workout out of all the quests.

On mobile devices click on the cardboard icon to use a VR headset to look around
Look around with directional swipe gestures on touch screens, or use the top-left Google Street View like controls of the YouTube video. Use cardboard or VR headsets if available for more immersive experience.