Pictured: the model of Dry Multi-Role Underwater Vehicle with Muscle Drive called `Blue Space` at the research laboratory of the Saint-Petersburg State Marine Engineering University. The research laboratory of the Saint-Petersburg State Marine Engineering University directed by laboratory head, PhD Vladimir Taradonov, has invented a `Dry Multi-Role Underwater Vehicle with Muscle Drive,` which will enable mankind`s long-dreamed-of hope to be realized and will offer Earth dwellers underwater spaces of some millions square kilometers.