An opening in the bottom floor of an 1850s home in Charleston, SC! What is this used for?

An opening in the bottom floor of an 1850s home in Charleston, SC! What is this used for?

A questioner asked: An opening in the bottom floor of an 1850s home in Charleston, SC! What is this used for? Some of the answers were: Probably just an way to access your crawlspace, there’s usually plumbing, wiring and potentially ductwork that periodically may need maintenance -I agree. Sometimes the simplest answer is the correct…