Another place that has submerged such inscriptions is the one where the Pengxi River joins the Yangtze River, belonging to the 20th year of the Jiaqing reign of the Qing Dynasty (1644-1911).
The US space agency would accept submissions until April 27, 2018. Interested people can get more information by visit the official website of NASA. The spacecraft will travel at 430,000 mph, or fast enough to reach from Washington DC to Tokyo in under a minute.
The human ancestors were clearly not capable enough to build such complex mega structures like Giza Pyramids particularly at the time when they were not even aware of modern technology.