Many coniferous trees with needle like leaves.
I would make a PowerPoint presentation and bring up the main points to ensure that the kids know that it is a serious situation and needs to be handled in the future.
Keep your current environment well-ventilated.
Make sure to wear a mask if needed.
Open windows and/or doors.
The Forensic Anthropology Facility studies THE DECOMPOSITION OF HUMAN REMAINS.
The anthropology facility is a research facility where decomposition of human bodies can be studied in a variety of settings. It also serves as a resource for forensic anthropology students and researchers.