The Mughal Empire ruled northern India from 1526 to 1707. Some key developments during this period included the construction of monumental architecture and cities like Agra and Delhi. Fatehpur Sikri was entirely planned by Akbar, and many gardens were developed, including Kabul Bagh and Shalimar Bagh. The Indus Valley civilization spanned from 3000 BC to 1300 BC in modern-day Pakistan and northwest India. Major cities like Mohenjo-Daro had advanced systems of town planning, with streets in a grid pattern and houses built around central courtyards. They developed new techniques in crafts and metallurgy. The Indus Valley culture collapsed due to an unknown catastrophe.