Afrikaans: 'n Satellietbeeld van 'n deel van die Kongorivierbekken, wat duidelik die wolklose riviergebiede aandui, 'n gevolg van die diatermansie-verskynsel wat atmosferiese konveksie oor die waterkanale voorkom of beperk.
Español: Image satelital de parte de la Cuenca del río Congo, mostrando nítidamente los ríos sin nubes debido al fenómeno de la diatermancia que impide o limita la convección atmosférica sobre los cauces.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]