Doors

: The earliest "doors" were likely large rocks or animal hides. By 3,000 BCE, Egyptians were using single-piece wooden doors for tombs.

: Many Irish doors are brightly colored as a historic act of rebellion; after being ordered to paint their doors black in mourning for Queen Victoria, many residents painted theirs in vibrant shades instead. Common Materials & Modern Trends Best Entry Door Buying Guide - Consumer Reports : The earliest "doors" were likely large rocks

Doors are much more than simple barriers; they are complex architectural elements with a history spanning over 5,000 years, ranging from ancient stone gateways to high-tech NASA portals. : The earliest "doors" were likely large rocks