If it is a meter or more thick, however,blue light often can be seen.

VOA: special.2010.01.05

The very top of the wire drawing represents the only part of the ocean landscape that can be seen on the surface of the water: It is Bouvet Island, one of the most isolated islands in the world.

VOA: special.2009.05.06

"What I have seen here, South Africa can give much better, because it is a larger scale and everyone will be looking at South Africa.

VOA: standard.2009.10.12