What unusual event occurred with coffins during Hurricane Katrina?

The event that coffins washed up and floated down the street during Hurricane Katrina highlights the devastating impact of the flooding that occurred in New Orleans. The hurricane caused severe damage to infrastructure, including burials in above-ground crypts, which are common in the region due to the high groundwater levels. As floodwaters surged, many coffins were dislodged and carried away by the force of the water, leading to a grim spectacle of coffins floating in the streets. This incident underscores not only the physical destruction caused by the hurricane but also the emotional and cultural ramifications for the communities impacted. The floating coffins serve as a poignant reminder of loss and the disruption of traditional burial practices in the face of a natural disaster.

The other options do not accurately reflect the events following the hurricane, as coffins were not merely submerged or intentionally relocated; rather, they were caught in the chaos created by the floodwaters. Additionally, the assertion that coffins were untouched does not align with the widespread reports and observations of the aftermath of the storm.