In the twelfth century, the village of Woolpit in England experienced a bewildering event when two children with green skin appeared seemingly out of nowhere. These mysterious siblings, Agnes and John, spoke in an unknown language and recalled coming from a place called Saint Martin's Land, a realm unlike anything the villagers had ever known. As they adapted to their new environment, their green skin faded, and they learned to communicate, revealing a tale filled with intrigue about their origins from a world without sunlight and filled with shades of green. Some believed their story to be a fantastical account of another dimension, while others theorized they were simply lost children from a nearby village. The fate of John and Agnes raises questions about identity, adaptation, and the fine line between myth and reality, leaving a legacy that continues to mystify historians and captivate imaginations. Join us as we explore this enthralling mystery that blends history, folklore, and the timeless human fascination with the unknown.