Prague Astronomical Clock built in 1410, the apparatus is the world's oldest functioning astronomical clock. It adorns the facade of the Old Town Hall of Prague's Old Town Square. The clock's astronomical dial tracks the motion of the sun, moon and stars. Above the dial, statues of the 12 apostles appear at the hour every hour from 9 a.m. to 9
Are you interested in making money? In that case, I think you should visit this site.