Negative The largest seamless photograph made in a single exposure was made using a Southern California jet hangar transformed into a giant camera. The most recent claim to the largest image stitched together was by the Canadian Museum of Civilization. On 3 August 2015, the longest photographic negative was measured wide. This negative was created by Esteban Pastorino Díaz (Spain) by driving on the 2nd Ring Road (Beijing). Esteban Pastorino Díaz also holds the previous record, a negative measured wide. He used a custom-built panoramic slit camera on 13 June 2010. The negative is a panorama of major streets in Buenos Aires, Argentina, captured by the slit camera while mounted on the roof of a moving car. Largest seamless example Name of project/picture: The Great Picture Claimed by: The Legacy Project; (Jerry Burchfield, Mark Chamberlain, Jacques Garnier, Rob Johnson, Douglas McCulloh, and Clayton Spada) Photograph of: control tower and runways at the U.S. Marine Corps Air Station El Toro, Orange County, California Dimensions: high × wide (9.75h × 33.83w meters). Aspect ratio is 3.47:1. On July 12, 2006, six photographers (Jerry Burchfield, Mark Chamberlain, Jacques Garnier, Rob Johnson, Douglas McCulloh, and Clayton Spada) unveiled what is currently the world's largest camera and photograph. The photograph was made to mark the end of 165 years of film/chemistry-based photography and the start of the age of digital photography. It was taken using a decommissioned Marine Corps jet hangar (Building #115 at El Toro) transformed into the world's largest camera to make the world's largest picture. The hangar-turned-camera recorded a panoramic image of what was on the other side of the door using the centuries-old principle of "camera obscura" or pinhole camera. An image of the former El Toro Marine Corps Air Station appeared upside down and flipped left to right on film after being projected through the tiny hole in the hangar's metal door. The "film" is a by piece of white fabric covered in 20 gallons (75.71 liters) of light-sensitive emulsion as the "negative". After exposing the fabric for 35 minutes the image was developed by 80 volunteers using a giant custom-made tray of vinyl pool liner. Development employed 600 gallons (2271 liters) of black-and-white developer solution and 1,200 gallons (4542 liters) of fixer pumped into the tray by ten high volume pumps. Print washing used fire hoses connected to two fire hydrants. Largest example assembled from multiple pieces Name of