washed away. Geography The region has a vast area of national parks, where a variety of fauna and flora are preserved. Gizil-Agach State Reserve hosts over 250 kinds of plants, 30 species of fish and more than 220 kinds of birds. Lankaran is also known for Parrotia persica, or ironwood. It is naturally grown in the region and could be seen in Hirkan National Park. Local myth has it that it is the only wood that sinks in water, hence the name (ironwood). Historically it has been used for heating since it burns for a long time and is not easily extinguished. The Persian leopard (Panthera pardus saxicolous) subspecies of the leopard, lives in the national park as well. Climate Water and sewerage Some measures have been undertaken to improve the drink water supply of the city and to reconstruct the city's sewage system. The reconstruction of the Lankaran water supply and sewerage system began in August 2011,1 Water Purification System, 1 water reservoir with a capacity of 10000 m3, 252 km of water lines with different diameter, 12,000 Smartcard water meters, 21 km of sewer line have been installed and 12 km of micro tunnel layout are planned in Khanbulan village of Lankaran by the company. Power supply 10 Smartcard electricity meters, 154 electronic single-phase electricity meters were installed and 191 defective meters were changed during 3 months of 2017 in the Lankaran district. Totally 16892 Smart card electricity meters have been installed in the district. Currently, government carry out work of energy sales and exploitation to settlements and villages of the district including 47,914 individual subscribers, 46 refugees, 3052 trade and services, 891 productions, transport and construction, 155 budgets and 157 other consumer groups. Gas supply During the three months of 2017, some measures have been undertaken for providing residential areas and companies with gas supply in the city. Thus, 43,565 people were provided with natural gas, 252 km of water lines with different diameter were set up, 426 gas problem detected and eliminated 153 gas meters were replaced, 291 defective meters were changed with new ones. At present, 65 settlements including Lankaran and Liman city have been provided with gas, which means 90.1% of the total people of the district. Districts Separadi Liman (city) Narimanabad Garmatuk Ashagi Nuvadi Hirkan Haftoni Isti Su Balighcilar Population Total population: 232.000 Percentage urban population: 39% Percentage rural population: 61% The vast