When he began his epic walk around the UK coastline back in August 2017, Christian Lewis had no idea quite how much of an adventure it would become. Over five and a half years later, nearing the end of the roughly 20,000-mile (32,187km) journey, he’s visited uninhabited islands, battled unthinkable weather conditions, learned to forage and even met the love of his life along the way. But what exactly prompted this incredible challenge and what has he learned? We caught up with the inspirational explorer to find out more…