However, for him, it’s tinged with sadness, because "what we find is that we're documenting the rapid decline of these places. A lot of the time, you're kind of numb to it." He continued in his interview with BBC Radio 1: "You've spent so many months doing it and you just get on with it - you know, you've got a job to do. But then occasionally, for no particularly good reason, it'll strike - you just float into the middle of the water, look around you and think: ‘Wow, it's all dying’.