What impresses Marco Polo most about the island of Zanzibar?

in regard to the island of Zanzibar Martin borrows from Marco Polo some facts which while of the greatest interest to the physiologist serve also to illustrate in a very striking manner the intrepidity of the missionary

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."