Fortification of cones and slopes mounds approaching bridge constructions and via-ducts
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| the river Selenga, 2019 year | |
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| the river Muhavetc, 2018 year | |
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| the river Barsuchki, 2018 year | |
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| the river Tavla, 2018 year | |
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| the river Insar, 2018 year | |
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| the river Mzytma r, 2018 year | |
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| the river Mzytma, 2017 year | |