Expanding boundaries!
It would seem, in the 20th century on Earth, did not remained the studied corners. But there was a person who converted the look on the underwater world striking with the volume and greatness. To it plainly nobody was engaged in a study of the ocean and underwater life. Jacques-Yves Cousteau is the pioneer of a research of the World Ocean, the director and the inventor. Cousteau began to plunge into water, using a mask, a tube and foot fins, further itself developed and tested an aqualung. By the way, war didn't interfere with Jacques-Iva's hobbies: then he invented the camera for underwater shootings. It is difficult to list all its achievements. For all the life he did tremendous operation, made a set of discoveries - the Great man!!! Everlasting memory !!!
( marker for ceramics, foil, solvent)
I think, people will once travel in space, studying the most distant planets !
And my gif: