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-119 that can control the thrust among the nozzles. Between 1958 and 1960, Glushko's OKB 456 developed the RD-109 for the Block-I of the 8K73 project — a liquid oxygen/UDMH version of the R-7 —. But Korolev refusal to use such a toxic combination shelved the project. When Yangel's OKB-586 was tasked with developing a launch vehicle out of the R-12, they had to develop an upper stage from scratch. The critical issue was the low specific impulse of the first stage and thus a very high efficiency upper stage engine was needed. For this Glushko offered to adapt the RD-109,