Hunayuns Thomb, New Delhi
...is a complex of buildings built as the Mughal Emperor Humayun's tomb,
commissioned by Humayun's wife Hamida Banu Begum in 1562 CE,
and designed by Mirak Mirza Ghiyath, a Persian architect.
It was the first garden-tomb on the Indian subcontinent, and is located in Nizamuddin East, Delhi, India, close to the Dina-panah citadel also known as Purana Qila, that Humayun founded in 1533.
It was also the first structure to use red sandstone at such a scale.
The complex was declared a UNESCO World Heritage Site in 1993, and since then has undergone extensive restoration work, which is still undergoing.