The Great Mosque of Sunan Ampel

With ancient javanese architectural style, it uses three leveled roof, unlike the one in middle east and eastern europe, it doesn’t have any dome. Supported by 16 pillars of teak wood, 17m in length and 60cm in diameter. The amazing thing about these wooden pillars is that they stand ‘without any brace’, causing unsolved mystery up until today: How to transport those gigantic logs to Ampel when all transportation and construction means were still unsophisticated at that time?

More about Ampel Denta here:
http://mimimama.blogspot.com/2007/12/brief-history-of-ampel-denta.html