A Chinese woman wears a protective mask as she shops in a market on February 6, 2020 in Beijing, China. The number of cases of a deadly new coronavirus rose to more than 28000 in mainland China Thursday, days after the World Health Organization (WHO) declared the outbreak a global public health emergency. (Photo by Kevin Frayer/Getty Images)

A 10-year-old boy living on the streets of New Delhi lies down on cascading water of a fountain in the gardens of the India Gate monument on May 20, 2016. The Indian Meteorological Department issued warnings of “severe heat wave” conditions across large parts of India's north and west, including the capital Delhi, where temperatures hit 47 degrees Celsius. (Photo by Roberto Schmidt/AFP Photo)

A model presents a creation from The Blonds Autumn/Winter 2019 collection during New York Fashion Week in New York, U.S. February 12, 2019. (Photo by Andrew Kelly/Reuters)

Visitors at the National Zoo check out a parrotfish made from found waste from the ocean in Washington, DC on May 23, 2016. The artwork can be seen at the National Zoo until September 5th. (Photo by Keith Lane/The Washington Post)

Students play in their school yard on the first day of the new school term at a primary school in Baghdad, October 18, 2015. (Photo by Ahmed Saad/Reuters)

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)

A woman jumps in the air as she poses for a photo during New Year celebrations in the Manhattan borough of New York, January 1, 2016. (Photo by Carlo Allegri/Reuters)

Revellers take part in New Year celebrations in Coin, near Malaga, southern Spain, January 1, 2016. (Photo by Jon Nazca/Reuters)