Option No. 2. This is an improved way of the first option.
New technological solutions and technologies of the materials used increased the durability of this method several times. The material falling asleep into the trench, whether it is crushed stone or gravel, turns out to be a special canvas of the so -called “geotkan”, with its help the hit of other small particles into the space between the embankment, that is, stones, which increases durability. This is a rather practical option for the efficiency of collecting water and the arrangement of drainage.