Hydraulic engineering construction on the territory of ancient and medieval Tajikistan

The article discusses traditions of constructing hydraulic structures on difficult terrain since ancient times. Features the landscape and socioeconomic conditions territory Tajikistan have led to development engineering here over centuries from simplest local building materials – stone, tree, clay. Despite primitiveness culture, masters past could arrange large irrigation that allow transporting water terrain, dams, distribution units much more. Much experience is still relevant today, especially in rural areas. Therefore, deserves close attention modern researchers.