abyssal plain English abyssal plain abyssal plains English abyssal plains English abyssal plain Abyssal plain abyssal plains https://en.wikipedia.org/wiki/Abyssal_plain abyssal plains view article abyssal plain abyssal plains abyssal plains English abyssal regions abyssal plains abyssal plains abyssal plain abyssal plains English abyssal plain English en en abyssal plain https://en.wikipedia.org/wiki/Abyssal_plain English English English abyssal plain English Abyssal plain Abyssal_plain The Abyssal Plains English абісальныя раўніны Abyssal plain English Abyssal plain https://en.wikipedia.org/wiki/Abyssal_plain abyssal plain abyssal plain abyssal plain [بالإنجليزية] English English English [بالإنجليزية]