The rock formations there are the result of deposits made by ancient lakes and rivers over a period of about twenty million years.

VOA: special.2009.04.15

But she says the research does show the need to study whether or not there are long-lasting effects of repeated exposure over several years.

VOA: special.2011.03.02

I think there are over one hundred hives now that have been planted in the village."

VOA: special.2009.06.29

There are over one hundred Shakespeare festivals and many permanent theaters that perform his works.

VOA: special.2010.01.13

"The lakes are very treacherous. There's over six thousand and some estimate as high as anywhere to ten to twelve thousand shipwrecks on the Great Lakes."

VOA: special.2009.11.11

Selling digital copies of those books could become profitable, and there are questions over who will get those profits.

VOA: standard.2009.12.31

This is on top of the 38,000 that are already there, taking into account a doubling over the past two years,".

VOA: standard.2009.12.03

"If you add the fact that there is water all over the city, then the risks are even higher.

VOA: standard.2009.09.08

"The Islamic schools in North America, there are over 100 of them teaching the curriculum of the state."

VOA: standard.2010.07.12

"We estimate,based on some ILO figures that in industrialized countries there are over 100,000 trafficked migrant workers,".

VOA: standard.2009.10.19

There are problems but they are short-term problems and they've been over-exaggerated by the market."

VOA: standard.2010.07.20

There are other differences, some of them carried over from the previous Bush White House.

VOA: standard.2009.03.29

"The game is far from over. There are no winners in this election yet.

VOA: standard.2009.09.12

"There are these radio talks shows where people calling in from all over the country, and every one of those callers is abusing the politicians like anything."

VOA: standard.2010.07.29