I wish I had the link of this BBC video journalist from years ago who wanted to bust the myth of the Himalayan swamis in India who meditate for days without eat

I wish I had the link of this BBC video journalist from years ago who wanted to bust the myth of the Himalayan swamis in India who meditate for days without eating food in freezing temperatures. He came back a convert when he witnessed with his own eyes how they do it with so much ease while not wearing much cloth on their bodies.