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Large cracks on the ground around the Shanghai Tower that are causing public alarm are nothing to worry about, say the builders of what will become China's tallest skyscraper.

"The surface cracks, which were caused by a usual settlement of the foundation ditch, are in a controlled and safe state," said a statement sent to China Daily by Shanghai Tower Construction and Development on Monday.

It added that an independent team of experts had been closely and constantly monitoring surrounding structures since construction on the 632-meter tower began.

Public concern was triggered when a micro blog user uploaded several pictures of the ground fissures near the building site in Pudong district last week and noted that the ground on each side of one large crack was uneven.

The cracks, which stretch across one side of the exit road from the Shanghai World Finance Center opposite the tower site, have been patched with cement.

One fissure is 8 meters long and about 4 centimeters wide at some points, with about 5 cm drop from one side to the other.

Cracks also spread to adjacent flowerbeds and the sidewalk.

Some residents have speculated that the cracks were caused by land subsidence due to the high density of high-rise buildings in the area.

Dozens of skyscrapers, each taller than 100 m, gather in the Lujiazui area of the city, including the 101-story Shanghai World Finance Center and 88-story Jin Mao Tower.

Shanghai Tower is due for completion in 2014 when it will become the tallest building in China and the second tallest worldwide.

Questions:

1. What is the name of the tower?

2. How tall will the tower be?

3. When is it due for completion?

Answers:

1. Shanghai Tower

2. 632 meters

3. 2014

（中国日报网英语点津 Rosy 编辑）

About the broadcaster:

Lee Hannon is Chief Editor at China Daily with 15-years experience in print and broadcast journalism. Born in England, Lee has traveled extensively around the world as a journalist including four years as a senior editor in Los Angeles. He now lives in Beijing and is happy to move to China and join the China Daily team.