It's been a year of activism and social change, with marginalized groups beginning to find a voice, and the world's youth marched for more action on the climate, such as the expansion of the Ultra-Low Emission Zone in London. It was also the year America witnessed an uprising in the Capitol and marked the 20th anniversary of September 11th. And of course, it was the second year of the pandemic, with continuing lockdowns and restrictions imposed across the world, plus the arrival of vaccines and new treatments shining some light down the end of that particular tunnel. Many of these themes and movements have informed and influenced photographers, while others ploughed their own furrow and continued to push their practices forward creatively. Here are the best of the best.