Nina Leen, one of the first female photographers to work for Life, took pictures for the magazine from 1940 to 1972. In the mid-1940s, her essay, “City Dogs”, featured actors and artists with their pets on the streets of New York City. In late-March, Daniel Cooney Fine Art in New York City, is opening a solo exhibition of Leen’s work that features images from that essay and others. Here: author Fannie Hurst clad in mink coat, enjoying the jumping antics of her Yorkshire terrier Orphan Annie on the street. (Photo by Nina Leen/Pix Inc./The LIFE Picture Collection/Getty Images)

Revelers march during the Greenwich Village Halloween Parade, Tuesday, October 31, 2017, in New York. (Photo by Andres Kudacki/AP Photo)

Vendors selling candied haws wait for customers at the Harbin Ice and Snow Festival in Harbin, China, January 4, 2016. The festival is open from Jan. 5 till Feb. 5, 2016, and is aimed at attracting both foreign and local visitors to experience the beauty of the ice and snow. (Photo by Wang Zhao/AFP Photo)

Scared of Heights. “Taken from the highest residential building in Asia: the Zenith in Busan. This was taken with official permission (which took me months to get) and safety measures were taken. I had to hang myself over the edge to get this shot. Not for the faint of heart! But when you’re at a height like this, the world below you just seems different. It takes away the fear one would normally have, and gives a sense of peace instead”. (Photo by Albert Dros/NatGeo Cities Travel Photographer of the Year 2017)

Drastic inequality is by no means new in New York. Jacob A. Riis was called a muckraker after he chose to spotlight the city’s poverty at the turn of the 20th century by photographing it. Here: Sweatshop in Hester Street, 1889-1890. (Photo by Jacob A. Riis/Museum of the City of New York, Gift of Roger William Riis)

“This city in Bolivia's highlands has hired Aymara women dressed in traditional multilayered Andean skirts and brightly embroidered vests to work as traffic cops and bring order to its road chaos. About 20 of the “traffic cholitas” have been trained to direct cars and buses in El Alto, a teeming, impoverished sister city of La Paz in Bolivia's Andes mountains”. – El Alto via Associated Press. Photo: In this December 3, 2013 photo, an Aymara woman cops directs traffic on the streets of El Alto, Bolivia. The women wear the bright petticoats and shawls of indigenous women in the Andes, called cholitas in Bolivian slang, the main difference being that instead of bowler hats they wear khaki green police-style caps. Some don fluorescent traffic vests. (Photo by Juan Karita/AP Photo)

Donny Golden shares a laugh with dancers from the Irish American Society during the 250th annual St. Patrick's Day parade March 17, 2011 in New York City. The parade honors the patron saint of Ireland and marched for the first time in the U.S. on March 17, 1762, fourteen years before the Declaration of Independence.