Doorshd

: Early humans used simple stone slabs, animal skins, or wooden barriers to block cave entrances and primitive dwellings.

: Metalworking advances around 1200 B.C. allowed for stronger frames made of iron or brass, leading to more intricate and secure designs. DoorsHD

While "DoorsHD" primarily appears as a title for a popular high-definition video of (lead singer of the rock band The Doors), the concept of doors themselves has a long and storied history that spans thousands of years. The Origins: From Caves to Egypt : Early humans used simple stone slabs, animal