Daniel Johnson-Utsogn pushes a children's bike trailer full of his belongings along the Dalton Highway in the final days of a four-year-long walk from New York City to Prudhoe Bay near Wiseman, Alaska, USA, 06 September 2017. The 23-year-old adventurer said he walked more than 25,000 miles through 49 states. (Photo by Jim Lo Scalzo/EPA)
