The mystery of the Loch Ness monster 'prop' gets solvedMumbai, Apr 14(AZINS) In a recent underwater drone discovery in Scotland’s Loch Ness Lake remains of a ‘Loch Ness Monster’ were found.

The mystery of the origin of this piece of the monster made some headlines, Nessie turned out to be a prop from the 1970 film, Private Life of Sherlock Holmes, directed by Billy Wilder.

The 30 ft long model built in 1969 was found after almost 50 years after it sank.

The prop sank in the lake after Billy Wilder wanted parts of it to be removed for aesthetic reasons.

Tom Davies creates a fibreglass model of the Loch Ness Monster for the film 'The Private Life of Sherlock Holmes' beside Loch Ness in Scotland. (Getty Images)

The prop was discovered by Kongsberg Maritime’s ‘Munin’ drone. Kongsberg Maritime is UK division of a Norwegian company. The company has been using drones to survey water bodies and are backed by VisitScotland.com and The Loch Ness Project. The drone was investigating the depths of Loch Ness Lake when the prop was found.

Adrian Shine who heads the Loch Ness Project said that the shape, measurements, and location pointed to the object being the prop.