1990. It is still the tallest educational building in the world. Hotel Ukraina Ukraina by Arkady Mordvinov and Vyacheslav Oltarzhevsky (leading Soviet expert on steel-framed highrise construction) is the second tallest of the "sisters" (198 meters, 34 levels). It was the tallest hotel in the world from the time of its construction until the Peachtree Plaza Hotel opened in Atlanta, Georgia in 1975. Construction on the low river bank meant that the builders had to dig well below the water level. This was solved by an ingenious water retention system, using a perimeter of needle pumps driven deep into ground. The hotel reopened its doors again after a 3-year-renovation on April 28, 2010, now a part of Radisson Collection Hotels Group, Moscow, with 505 bedrooms and 38 apartments. The hotel was acquired by billionaire property investor God Nisanov for £59 million during an auction in 2005. He co-owns it with Zarakh Iliev. Ministry of Foreign Affairs This 172 meter, 27 story building was built between 1948 and 1953 and overseen by V.G.Gelfreih and A.B.Minkus. Currently, it houses the offices for the Ministry of Foreign Affairs for the Russian Federation. The Ministry is covered by a light external stone wall with projecting pilasters and pylons. Its interior is splendidly decorated with stones and metals. According to the 1982 biography of Minkus, draft plans were first drawn up in 1946 and ranged from 9 to 40 stories. In 1947 two designs were proposed: one used layered setbacks while the other called for a more streamlined construction which culminated into a blunt rectangular top. The second proposal was accepted but as the Ministry's completion neared, a metal spire, dyed to match the building's exterior (and presumably ordered by Joseph Stalin), was hastily added to tower's roof, assimilating its silhouette with those of the other Sisters. Leningradskaya Hotel Originally known simply as the Leningradskaya Hotel, this relatively small (136 meters, 26 floors, of which 19 are usable) building by Leonid Polyakov on Komsomolskaya Square is decorated with pseudo-Russian ornaments mimicking Alexey Shchusev's Kazansky Rail Terminal. Inside, it was inefficiently planned. Khrushchev, in his 1955 decree "On liquidation of excesses ..." asserted that at least 1,000 rooms could be built for the cost of Leningradskaya's 354, that only 22% of the total space was rentable, and that the costs per bed were 50% higher than in Moskva Hotel. Following this critique, Polyakov was stripped of