He combined his studies in light,math,psychology, geometry and anatomy for this special work.

VOA: special.2010.09.15

Usually,this requires near freezing temperatures, light winds and changing conditions in Earth's atmosphere.

VOA: special.2010.01.05

He was born in this very light house eighty three years ago.

VOA: special.2010.05.08

Usually,this requires near-freezing temperatures, light winds and changing conditions in Earth's atmosphere.

VOA: special.2011.01.11