Links:
[1] http://www.hydroex.gr/services/design
[2] http://www.hydroex.gr/design-stage/feasibility-study
[3] http://www.hydroex.gr/design-stage/preliminary-design
[4] http://www.hydroex.gr/expertise/dams-and-reservoirs
[5] http://www.hydroex.gr/expertise/geotechnical
[6] http://www.hydroex.gr/expertise/hydrology