21. Fill in the table.
Name of explorer The country he/she was born in The journey of discovery Afanasiy Nikitein Russia India Vasco de Gama Portugal An ocean route from Portugal to the East Christopher Columbus Spain America James Cook England New Zealand, Australia Dmitriy Shparo Russia The North Pole Lubov Sluchevskaya Russia Africa Alexandra Tolstoy England West Asia Jacques Yves Cousteau France Ocean and seas