WATCH: Connecticut National Guard converts sports arena in Danbury into a temporary hospital
Places where large crowds gathered for sports and entertainment events are now being transformed into field hospitals as the world combats the spread of coronavirus.
The world watched as China built huge hospitals for the sick in January during the height of the novel coronavirus outbreak there.
Now, these makeshift care centers are going up in many locations, from stadiums in Seattle and Rio de Janeiro to convention centers in New York and Madrid and fair grounds in Florida.
MORE: Coronavirus map: Tracking the spread in the US and around the world
Tents have been popping up in soccer fields, parking lots and in Central Park to create extra space for patients. Turf is being covered by temporary floors, members of the military and volunteer armies are being called up to help construct them.
As cases grow, existing hospitals around the world have quickly been overwhelmed, forcing governments to react by quickly adding capacity by erecting field hospitals.
See how it has evolved:
Philadelphia
Matt Rourke/AP
A worker moves items at a federal medical station as it is set up as a field hospital at Temple University's Liacouras Center in Philadelphia, March 30, 2020.
Detroit
Jeff Kowalsky/AFP via Getty Images
Members of the Michigan National Guard assemble beds at the TCF Center which is being converted by the U.S. Army Corps of Engineers into a field hospital in Detroit, April 1, 2020.
Belgrade, Serbia
Marko Djurica/Reuters
Serbian military sets up the beds inside Hall 1 of the Belgrade Fair to accommodate people who with mild symptoms of coronavirus disease (COVID-19) in Belgrade, Serbia, March 24, 2020.
Clarencehouse via Reuters
Britain's Prince Charles, who is known as the Duke of Rothesay when in Scotland, sends a video message to the guests at the opening of the NHS Nightingale Hospital in London, from his home in Birkhall, Scotland, April 3, 2020.
London
Leon Neal/Getty Images
The main entrance ahead of the official opening of the NHS Nightingale Hospital at ExCel center, April 3, 2020 in London, England. The field hospital will initially contain 500 beds with ventilators and oxygen and will have the capacity to eventually hold up to 4,000 COVID-19 patients.
On Friday, in his first public appearance since being diagnosed with COVID-19, Prince Charles made a video message for the opening of the temporary NHS Nightingale hospital at the ExCel Centre in London, which will have 4,000 beds.
Sao Paulo, Brazil
Andre Penner/AP
Workers set up a temporary field hospital to treat patients who have COVID-19 inside Pacaembu stadium in Sao Paulo, Brazil, March 30, 2020.
Seattle
Ruth Fremson/The New York Times via Redux
Army soldiers from Joint Base Lewis McCord and Fort Carson build a field hospital at the Century Link Event Center in Seattle, March 31, 2020. The field hospital will have 250 beds, 24 of them for ICU patients, and will be used for overflow patients who do not have the coronavirus to help local hospitals that are overflowing.
Gothenburg, Sweden
IBL/Rex/Shutterstock
Military personnel prepare a field hospital at the Ostra Sjukhuset hospital area in Gothenburg, Sweden, March 24, 2020. The field hospital with 20 intensive care units, will meet an expected increase in people infected by the coronavirus disease (COVID-19).
New York
Misha Friedman/Getty Images
A temporary hospital being built by the Samaritan's Purse at Central Park in New York City, March 30, 2020 in New York, United States.
Bryan R. Smith/AFP via Getty Images, FILE
A temporary hospital is set up at the Jacob K. Javits Convention Center in New York City, March 27, 2020.
Crema, Italy
Matteo Corner/EPA via Shutterstock
A field hospital is set up in front of the Crema hospital, where 52 medical doctors and nurses from Cuba will be working to help out during the coronavirus outbreak in Crema, Italy, March 25, 2020.
Moscow
Denis Voronin/Moscow News Agency via AP
Workers erect a building which will be a new hospital, on the outskirts of Moscow, April 2, 2020.
Lahore, Pakistan
Rahat Dar/EPA via Shutterstock
A view of a field hospital comprising of 1000 beds setup by the Punjab government for coronavirus patients and suspects, in Lahore, Pakistan, March 26, 2020.
Miami, Florida
Chandan Khanna/AFP via Getty Images
A makeshift field hospital is seen at Miami-Dade County fairground in Miami, Fla., March 26, 2020. The 250-bed field hospital is being set up at Miami-Dade county fairground as the county prepares for a surge of coronavirus cases.
Dallas, Texas
Smiley N. Pool/Pool photo via Getty Images
Beds are readied as Texas Army National Guardsmen set up a field hospital in response to the coronavirus pandemic at the Kay Bailey Hutchison Convention Center, March 31, 2020, in Dallas, Texas.
Caldas Da Rainha, Portugal
Carlos Barroso/EPA via Shutterstock
A field hospital set up in the high performance badminton centre, in Caldas da Rainha, Portugal, March 23, 2020.
Madrid, Spain
Manu Fernandez/AP
Patients fill a temporary field hospital set at Ifema convention and exhibition in Madrid, Spain, April 2, 2020.
Outside of wartime, field hospitals are used primary for natural disasters. As the pandemic transforms daily life, it is also transforming some public spaces in a way we have not seen before.