Today we look up into the skies to explore the past and present of the tallest buildings in the world.

VOA: special.2010.03.31

Satan's spear is to the tallest pine what the tallest pine is to a little, bitty wand.

撒旦的长矛对于最高的松木而言就如同最高的松木,对比一根小小的棍子一般大。

耶鲁公开课 - 弥尔顿课程节选

It was also the tallest. And it was the largest power producer that used water power to make electricity.

VOA: special.2009.08.12

For example, the CN Tower in Toronto,Canada is not included in the tallest building category because it is a communication tower.

VOA: special.2010.03.31

On the fourth day of battle, Marines fought to the top of Mount Suribachi, the tallest mountain on Iwo Jima.

VOA: special.2011.05.30

He stood two hundred thirty-one centimeters -- tall even for a Dinka, some of Africa's tallest people.

VOA: special.2010.07.05

In May, a thirteen-year-old American boy became the youngest person to climb the tallest mountain on Earth.

VOA: special.2010.06.30

Builders in these cities and others would also begin competing for the title of "tallest building."

VOA: special.2010.03.31

In October of last year the same developer announced plans for the world's tallest building yet.

VOA: special.2009.12.04

It is also the tallest building when measuring height to tip, and highest occupied floors.

VOA: special.2010.03.31

It became the world's tallest building in nineteen seventy-four, at four hundred forty-two meters.

VOA: special.2010.03.31

The Gateway Arch in Saint Louis,Missouri is the tallest freestanding monument in the nation.

VOA: special.2009.03.04

The Burj Khalifa in Dubai is not only the world's tallest building architecturally.

VOA: special.2010.03.31

At the time, it was the largest and tallest dam in the world.

VOA: special.2009.03.04

Engineers then probably would not believe the soaring heights of today's tallest buildings.

VOA: special.2010.03.31

Seventeen of the tallest mountains in the United States are in Alaska.

VOA: special.2009.03.02

and the Burj Khalifa in Dubai, the tallest building in the world.

VOA: special.2010.07.30

It held the title of tallest building for over forty years.

VOA: special.2010.03.31

For many years it was the tallest building in the world.

VOA: special.2009.05.22

The next records for tallest buildings are in other countries.

VOA: special.2010.03.31

They include the tallest mountain in North America.

VOA: special.2009.03.02

Dubai World's debts grew from projects initiated during Dubai's property boom, including man-made islands in the shape of palm trees and the world's tallest building.

VOA: standard.2009.12.02

These days Old Salem is what's called a living history museum, with exhibits,music, and tours of 18th-Century houses,taverns and Moravian dormitory buildings just seven blocks from the tallest skyscraper in Winston-Salem.

VOA: standard.2010.03.18