Taken by Sandra Mansi at Lake Champlain (Vermont, USA) in July 1977, the Mansi photo has always been really popular because (unlike so many alleged lake monster photos) it's not too blurry or ambiguous but clearly shows something that looks very much like a large, long-necked grey aquatic animal. Rising from the water, it seems to be curving its neck over its rounded back, as if looking behind itself. Most people imagine that the object in the photo resembles a long-necked plesiosaur, or maybe a sauropod, so it's been taken to heart by those who contend that such Mesozoic animals are still around today. more....