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

WATER AND THE WORLD – Essays on the history of water use. Part 3 – Water and city

  • Автор: Ivan Krasnov
  • Год издания: 2008
Описание:

The book tells about the formation and development of the water supply and sewage system in pre-revolutionary St.Petersburg since the establishment of the Joint Stock Company of St. Petersburg Water Pipelines.

Aqua Academy

We expand knowledge about water