Seoul’s Ministry of Unification released a video on Tuesday showing the collapse of several transmission towers after North Korean authorities removed the attached wires. "On Friday, several ...

The south tower collapsed at a magnitude of 2.1 on a seismograph; the north tower collapsed with a magnitude of 2.3, according to Columbia University in New York. Americans said they had ...

Initially the tower leans to the north 0.2 degrees off of vertical ... for fear their vibrations could trigger a catastrophic collapse. The architect Alessandro Della Gherardesca digs out a ...