AN eerie photo of a suspected surfer dude from more than 100 years ago proves that time-travel exists, according to one wild theory. The grainy black and white snap shows the mystery man dressed in modern attire and surrounded by people at a beach. ABOUTThis eerie photo is said to prove that time travel really exists, according to one whacky theory[/caption] The man has a windswept hair-do and is in a baggy short sleeved shirt and shorts – a world away from the men in head-to-toe bathers around him. Look a little closer and you can see beachgoers staring at the man in amazement. The image first appeared in a book called The Cape Scott Story published in 1974. It comes as creepy footage from 1938 is said to prove that time travellers exist. READ MORE ON WORLD NEWS SICKY MOUSE Disneyland guests are shut in park to stop Covid spread but rides are kept OPEN GOT SPOOKED Bombshell UFO doc that may ‘prove aliens exist’ to be handed to Congress TODAY A woman is spotted in the footage and appears to be chatting on a mobile phone – decades before the tech was invented. The black and white footage is said to have been filmed at a factory in the United States in the 30s and has attracted over 300,000 plays on YouTube. The film shows a young woman dressed in a stylish 30s dress walking alongside a crowd of people. She chats animatedly into a device held to her ear and then lowers it. Most read in The Sun FOOT-BALLROOM Strictly Come Dancing in massive schedule shake-up and will move to new day 'TAKE HER' Watch moment Camilla 'scolds' Kate for Charlotte's behaviour at Queen's funeral KICKING HIMSELF I still beat myself up over how I split with Stacey Solomon, says Steve-O RATZILLA I found a rat as big as a dog in my back garden after rodents infested my house SPLIT LANES My family-of-8 has to live in two separate houses - the council split us up DOVER HORROR 'Laughing' man threw petrol bomb at Dover centre before killing himself But as she brings her arm down it can be seen as being the same size and shape as a modern cell phone. A YouTube user has come forward to claim that the woman in the clip is their great grandmother who was using an experimental wireless phone. The device developed by a communications factory in Leominster, Massachusetts owned by US industrial giant Dupont. ‘The lady you see is my great grandmother Gertrude Jones,” said YouTube user Planetcheck. “She was 17 years old. I asked her about this video and she remembers it quite clearly. She says Dupont had a telephone communications section in the factory. Read More on The Sun SWEET TRUTH People are only just realising why Dairy Milk and Freddos taste different BUST MUST People say I go from an average 5 to a full-on 10 just by taking off my sweater “They were experimenting with wireless telephones. Gertrude and five other women were given these wireless phones to test out for a week. “Gertrude is talking to one of the scientists holding another wireless phone who is off to her right as she walks by.”