Building In China That Collapsed Because Of Human Error.

The developer in china wants to build an underground parking at a depth of 4.6 meters after the building was complete build. They dig near the building and on one fine day, there was a heavy rainy day on the site.

The building experienced uneven lateral pressure more than 3000 tons and it began to move making the "hollow" concrete piers were broken. The result the building completely collapsed.