North Aral Sea levels further were due to begin in 2010. The Aral Sea began shrinking in the 1960s, when the Soviet Union decided that the two rivers feeding it, the Amu Darya and the Syr Darya, would be diverted to irrigate cotton and food crops in Kazakhstan and Uzbekistan. In 1986, due to an accelerated loss of water, the Aral Sea split into northern and southern parts; the southern part is the current South Aral Sea. There is now an ongoing effort in Kazakhstan to save and replenish the North Aral Sea. As part of this effort, a dam project was completed
Kazakhstan–Uzbekistan relations border. On 19 October 2006, Kazakhstan built 45 km-long barrier along part of its border with Uzbekistan. The Kazakhstan–Uzbekistan barrier spans the Saryagash and Maktaaral administrative districts of southern Kazakhstan, and consists of a 2,5m-high barbed wire fence that includes searchlights. The barrier is situated along the heavily populated towns and cities of eastern Uzbekistan. It was built to curb drug smuggling across the border. Kazakhstan–Uzbekistan relations Kazakhstan–Uzbekistan relations refers to the relations between the neighbouring Republic of Kazakhstan and Republic of Uzbekistan. The last President of Uzbekistan Islam Karimov has visited Kazakhstan several times. Both Kazakhstan and Uzbekistan were