Earth's Tilt 2: Land of the Midnight Sun
439.2 هزار بار بازدید -
12 سال پیش
-
How can you tell when
How can you tell when to go to bed when the sun never sets? Ask a reindeer from Norway.
License: Creative Commons BY-NC-SA
More information at http://k12videos.mit.edu/terms-condit...
License: Creative Commons BY-NC-SA
More information at http://k12videos.mit.edu/terms-condit...
12 سال پیش
در تاریخ 1391/09/13 منتشر شده
است.
439,248
بـار بازدید شده