@BMB You're right. This well is too deep.
Edit:
@Hyena I've been in a plane. The sun was above me all the time.
I would recommend you browse this blog for more answers regarding the hollow earth theory:
http://hollowplanet.blogspot.nl/It is written by a scientifically minded person rather than by some religious lunatic.
Is there a point to distiguishing between different brands of lunatics?
What I mean is, that site doesn't seem to be bothered with scientific rigour. It's just a collection of "facts" with varying degree of relevance or seriousness which is supposed to paint a complete picture in the mind of the reader without any attempt to provide consistency.