Humayuns,the second Maughal emperor is buroed in this toumb, the first great example of a Mughai garden tomb, and inspiration for several later monuments, such as the incomparable Taj Mahal . Built in 1565 by Persian architect Mirak Mirza Ghiyas, it was commissioned by I I lumayun’s senior widow, Haji Begun . Often called a dormitory of the House of Timer’, the graves in its chambers include Humayun’s wives and Dara Shikoh, Shah Jahan’s scholarly son. Also in the complex are the octagonal tomb and mosque of Isa Khan, a 16thcentury nobleman, and the tomb of Humayun’s favourite barber. The Arab ki Sarai was a rest house for the Persian masons who built the tomb.