“This was at the end of a long drive into one of the hottest and driest places on earth - the Danakil Depression in Ethiopia. I knew camels were still being used to transport salt from the region and a camel caravan was one of the key shots I wanted to get to illustrate a feature on this subject. I had been warned that there was a high chance of seeing no caravans at all so when my fixer and I set off in the late afternoon to take advantage of the nicer light, I had a sense of realistic expectation. Thankfully, luck was on my side and within an hour of leaving our camp we saw the caravan on the horizon. I stopped the car some way ahead so I could photograph the caravan coming towards me and continue shooting as it passed. I did of course underestimate how quickly the caravan moved so decided to give myself a second shot and ran to head off the caravan once more. Mild dizziness and several litres of water later, my lesson for the day was to avoid running in the hottest, driest place on ...