Answer: Inca
The Incas were one of the most civilized peoples in America. They comprised mainly the Quechua, Aymará, Yunka, etc. tribes, which, according to the Spanish, formed the Empire of the Incas, a name derived from the reigning family belonging to the Quechua tribe, the main of the empire.
The Inca culture has been totally destroyed and today only ruins of its grand monuments, temples and palaces remain.
I would've made more opening to make the room light up during the day also cover the hole on top with some glass.
During Hudson's last voyage in 1610, Hudson thought he discovered the Pacific.
They maintain and plow the local roads..
(I will continue in the comments)
