| harald ellmer • banking • consultants | floating concrete shell structures | ellmer sphere › ocean sphere › sphere habitat › ocean colonization technology | agency | agentur | agencia | yook3.com |

| harald ellmer • banking • consultants | floating concrete shell structures | ellmer sphere › ocean sphere › sphere habitat › ocean colonization technology | germany | colombia | business | development | agency | agencia | agentur | yook3.com |