'If you think you have nerves of steel, trying going face to face with a lion on the hunt,' said Felix. 'This image is a snapshot of a magical encounter I had with two female lions, just a few metres from me. I was lying on the floor of the jeep hanging out the side slightly to get a lower perspective. As the lions walked past, one of them shot me a glance I'll never forget. Once they had past, my heart was pounding. You get a real appreciation of their size, power and beauty when you are on the same level and only a foot away from them'