Madame Tussauds entity ceased to exist. On 17 July 2007, as part of the financing for the Tussauds deal, Merlin sold the freehold of Madame Tussauds to private investor Nick Leslau and his investment firm Prestbury under a sale and leaseback agreement. Although the attraction sites are owned by Prestbury, they are operated by Merlin based on a renewable 35-year lease. Madame Tussaud's wax museum became a major tourist attraction in London, incorporating (until 2010) the London Planetarium in its west wing and a large animated dark ride, "The Spirit of London", opened in 1993. Today's wax figures at Tussauds include historical
RD-253 next more powerful version of engine in 2001. It has 5.2% higher thrust and has the designation 14D14M (RD-275M). It was designed to allow the rocket to deliver more payload to GEO. In the period from 2002 to 2003 years some experimental work was completed with this version of the engine. It included four test firings of three experimental RD-275M with a total time of 735 s. In the middle of 2005 this engine went into production by government commission. First launch of Proton-M with 14D14M engines is conducted July 7, 2007. The final version RD-275M is sometimes designated as