Occupy Denver protesters dance on an American flag on November 5, 2011 in Denver, Colorado. Hundreds of the demonstrators marched through downtown Denver, denouncing the U.S. Federal Reserve and urging customers to close their accounts with large banks and deposit their funds into local credit unions. (Photo by John Moore/Getty Images)

North Korean defectors, now living in South Korea, prepare to release balloons carrying propaganda leaflets denouncing North Korea's late leader Kim Jong-Il at Imjingak, near the Demilitarized zone (DMZ) separating South and North Korea on December 28, 2011 in Paju, South Korea. (Photo by Chung Sung-Jun/Getty Images)

Officers from the municipal authorities of Huaian city perform red songs at the Huaian Great Hall of the People on June 13, 2011 in Huaian, Jiangsu Province of China. This year's celebrations will mark the 90th anniversary of the founding of the Communist Party of China. (Photo by ChinaFotoPress/Getty Images)

A model walks the runway at the Popluxe Fall 2012 fashion show during Mercedes-Benz Fashion Week at The Studio at Lincoln Center on February 10, 2012 in New York City. (Photo by Frazer Harrison/Getty Images)

A model walks the runway at the Costume National Autumn Winter 2012 fashion show during Paris Fashion Week on March 4, 2012 in Paris, France. (Photo by Nathalie Lagneau/Catwalking/Getty Images)

Locals dressed as “Perchten”, a traditional demonic creature in German and Austrian Alpine folklore, parade through the town center during the annual “Rauhnacht” gathering on January 5, 2017 in Waldkirchen, Germany. (Photo by Johannes Simon/Getty Images)

“Daredevil Nik Wallenda became the first person to walk on a tightrope across the Niagara Falls, taking steady, measured steps June 15, 2012 for 1,800 feet across the mist-fogged brink of the roaring falls separating the U.S. and Canada”. (Photo by John Moore/David Duprey/AP Photo)

Photographer Loes Heerink spent hours waiting on bridges in Hanoi to capture the street vendors who walked underneath. She recently launched a Kickstarter project to publish a book of these images. Here: “In Hanoi there are a lot of street vendors who roam the city with their bicycles trying to sell goods, from vegetables to flowers”. (Photo by Loes Heerink/The Guardian)