The construction business is popular because there are always things to build. Some of them, like huge buildings and long bridges, are very expensive and investors can earn a lot of money.
If you go into the business, however, do your homework. Otherwise bad things can happen.
During the great flood of 2011, Khlong Rangsit Prayurasakdi, one of the major canals in the Bangkok area, overflowed, badly damaging thousands of homes.
After the flood, the local government built a cement embankment along the canal. It looked very nice and people were happy that they were safe from future floods.
But they weren't. Several weeks ago, cracks starting appearing in parts of the embankment. Then, yesterday, part of it collapsed. The area was about 100 meters long and five to ten meters wide.