When the temperature dips below 35 degrees, some Louisville homeless shelters open their doors to anyone who needs a bed, regardless of space.
These are called White Flag nights.
This week--after several inches of snowfall--temperatures dropped below zero in the Louisville area.
WFPL asked Thompson Williams, a monitor at Wayside Christian Mission in downtown Louisville, to carry around a recorder and capture the sounds of a packed shelter on Wednesday, a White Flag night.
Here's what he heard: