sentences:  The area was continuously developed until the demise of the Soviet Union.Following Russia's loss of the traditionally popular resorts of the Crimean Peninsula (transferred from the Russian SFSR to the Ukrainian SSR in 1954 by Nikita Khrushchev), Sochi emerged as the unofficial summer capital of the country.In 1961, Soviet officials decided to expand the city limits by forming a "Greater Sochi" which extended for 140 kilometers from the southern parts of Tuapse to Adler.