The phrase "about how ancient" is correct and usable in written English.
It can be used when discussing topics related to ancient history, cultures, or civilizations, often in a context of inquiry or explanation.
Example: "The documentary was about how ancient civilizations influenced modern society."
Alternatives: "regarding the ancient" or "concerning ancient".
After all the initial kerfuffle about how "ancient" Capaldi is, he's much closer in age to Kingston than Smith.
Physics grad Josh is rather more sceptical about the existence of supernatural realms, choosing instead to talk about how ancient Mexican priests used to build caves that boasted extraordinary acoustic properties in order to fool the masses into believing they possessed superhuman powers.
The film is about how ancient values of subsistence, closeness to nature, and community defeat the rapacious forces of the oil industry.
But there has been a lot of talk going around in India of late about how ancient Hindus invented airplanes, stem cell research, and genetics (duly spoofed, here).
If you are learning about how Ancient Egypt created the pyramids, try to imagine pulling those 30 ton boulders 20 miles (32 km).
Scientists have long speculated about just how ancient the disease is, and when the human malaria parasite originated, with wildly varying estimates from 10,000 years to several million years ago.
Across the room, reporters were asking Roloson if he minded that every article about him referred to how ancient he was.
The second thing that struck me about these two commercials was how ancient they seemed, as dusty as the landscape in the second ad.
What amazes me about Blur's triumphant return is partly how ancient all this history is.
The findings settle a long-standing debate about how the ancient sea creatures swam, said study co-author Michael Benton, a paleontologist at the University of Bristol in England.
Asked at the 2001 panel why they didn't use their money to build Christian schools directly, Betsy described their recent trip to Israel, where they learned about how the ancient Israelites shared their culture with other groups.
