4 ms·
In a modern urban environment I think this is becoming less and less so. Living in a metropolitan area for me at least mean I spend quite a lot of my time in a
by cskau 14y ago
In a modern urban environment I think this is becoming less and less so.
Living in a metropolitan area for me at least mean I spend quite a lot of my time in an Nth floor apartment, Mth floor office, and commute by subterranean subways and elevated train tracks, walkways and highways.
- caf 14y agoThe difference in altitude between the subway and the top floor of an apartment building isn't really very far though, when observed from a GPS satellite that's 20,000 km above you.