In 1995, strange marks appeared in a photograph of an English estate; 31 years later, archaeologists say they may have uncovered the foundations of a lost 18th-century building

• Representative image from CanvaIn the summer of 1995, an unusual photograph of Temple Newsam, a historic estate in Leeds, England, captured strange marks across the grass.
• To Mike Turpin and other local archaeology enthusiasts, the patterns looked like they could reveal foundations hidden beneath the lawn.
• More than three decades later, their suspicion has gained support.