NARA AKIRA pointed out in my flame work of theory that there are similarities among pyramids and historic megalithic relics in the world.
Those are even in different countries and far apart.
World heritage Borobudur is said that it followed structure of Gunung Pdang.
Machu Picchu has also similarity to Gunung Padang in its structure, pointed by an Indonesian architect Mr. Pon Purajatnika.
Japanese Dr.Takasi SAKAI wrote about it on Gunung Padang and Preah Vihear Temple in Cambodia in his research report.
Indonesian Dr. Danny Hilman explained in symposium that 6 megalithic sites are already found around Suka Bumi city in west Java within 60km include Gunung Padang.