Babylon (Iraq) : It was the capital of the Babylonian empire on the Euphrates river, south of Baghdad. Greatest ruler was Nebuchadnezzer (605 - 562 BC). Hanging gardens were one of the seven wonders. Babylon fell in 538 BC.

Beijing (China) : China's capital, earlier known as Peking. Tiananmen square, world's largest public square is here.

Berlin : Capital of Germany. City founded in 13 th century. In 1948 Soviet controlled East Berlin and west Berlin (controlled by US, UK and France) were born. Berlin wall was built by East German government in 1961and it was opened in 1961.