Shep Doeleman spearheads the international team trying to take the very first picture of a Black Hole - and prove Einstein was correct.
He has come to the top of Mexican mountain, to oversee a vital test of his network of telescopes that will combine to make a single telescope the size of the Earth.
Only if the system passes its test will they have any chance of photographing a Black Hole
A Telescope The
Size of Earth
How To See A Black Hole
Windfall Films for BBC, Smithsonian and NHK