<https://ru.coursera.org/lecture/aerial-photography-with-uav/types-of-coordinate-systems-and-vertical-datum-c1btB#lecture>
<http://schema.org/description>
"Watch this video about Types of Coordinate Systems and Vertical Datum for Lectures in Aerial Photography with UAV. "
<https://ru.coursera.org/lecture/aerial-photography-with-uav/types-of-coordinate-systems-and-vertical-datum-c1btB>