Riva Lemanski 6, and her brother Elia 4, turn a Stage 1 Rolls Royce RB Titanium Turbine Fan from 1970 at Christie's in London August 5, 2013. The Turbine fan is expected to sell for £60,000-80,000 (US $92,000-133,000) when it is auctioned at the Christie's Out of the Ordinary sale on September 5, 2013. REUTERS/Suzanne Plunkett (BRITAIN - Tags: ENTERTAINMENT TRANSPORT)