Aqua Academy

We expand knowledge about water

Water Institute

Water is the softest and weakest essence in the world, but it is invincible in overcoming hard and strong, and there is no equal in the world.

Laozi
  • Автор: Ivan Krasnov, Dmitriy Starostin
  • Год издания: 2005
Описание:

The book contains facts from the history of water supply development and sanitation in the ancient Mediterranean world and medieval Europe.

Aqua Academy

We expand knowledge about water