Aral Sea fate. Since the disappearance of the Southeast Aral in 2008, Vozrozhdeniya effectively no longer exists as a distinct geographical feature. The area is now shared by Kazakhstan and Uzbekistan. In 1948, a top-secret Soviet bioweapons laboratory was established on the island, in the centre of the Aral Sea which is now disputed territory between Kazakhstan and Uzbekistan. The exact history, functions and current status of this facility are still unclear, but bio-agents tested there included "Bacillus anthracis", "Coxiella burnetii", "Francisella tularensis", "Brucella suis", "Rickettsia prowazekii", "Variola major" (smallpox), "Yersinia pestis", botulinum toxin, and Venezuelan equine encephalitis virus. In 1971, weaponized
Transport in Uzbekistan of inland waterways. Since the mid-1990s, commercial travel on Uzbekistan's portion of the Amu Darya has been reduced because of low water levels. As of 2010, Uzbekistan had 10,253 kilometers of natural gas pipelines, 868 kilometers of oil pipelines, and 33 kilometers of pipelines for refined products. As of 2012, Uzbekistan has 53 airports. 33 of them have paved runways, six of which had runways longer than 3,000 meters. The largest of them, Tashkent International Airport, is linked with European and Middle Eastern cities by direct flights of Aeroflot, Lufthansa, and Turkish Airlines, and with New York and Los Angeles