Exactly. Altitude improves visibility and gives humans (wizards included) improved perspective. The view from the top of a ziggurat, Mayan temple, wizard's towe

Exactly. Altitude improves visibility and gives humans (wizards included) improved perspective. The view from the top of a ziggurat, Mayan temple, wizard's tower gives the viewer perspective over their domain while also allowing them unimpeded access to the sky so they can keep calendars, predicting the seasons and astronomical phenomenon like eclipses, or even see a storm coming before anyone else.