yuan Agna i

Yes, it is a single-strip paved runway on the island of Yonaguni (east of Taiwan) , with a usable length of 6562 feet. This island is the most western of the Japanese islands, located SW of Okinawa.

estimates place it at approximately 8,000 BC, or around the last glacial maxiumum

It is the name of an Island in the sea of Japan (Southern most Island) an underwater formation was discovered there that looks like an ancient building or pyramid.

Technically, it's Japan. The westernmost point of Japan, on Yonaguni Island, is roughly 60 miles east of Taiwan.