The deadly Texas floods have brought the state's approach to land approvals, especially in flood-prone areas, under more scrutiny.

When too much rain falls for the ground to absorb, it runs downhill, pulled by gravity into streams, creeks and rivers.

The number of people reported missing in Kerr County, Texas, as a result of last week’s flash floods continues to soar. Authorities say search teams combing through the debris and destruction there are looking for more than 160 people who disappeared in the raging waters.