Whoever closes his eyes to the past is blind to the present.
Richard von Weizsäcker

During my research diving course always new questions. I would like to clarify their post here these questions. I hope that maybe someone has a hint for me.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cookies make it easier for us to provide you with our services. With the usage of our services you permit us to use cookies.