They lived in large houses with tile roofs, courtyards, and gardens. Fine furniture and silk hangings filled their rooms, and their houses were surrounded by walls to keep out bandits.
Answer:
In his book, Aryabhata, he suggested that the Earth was sphere, containing a circumference of 24,835 miles (39,967 km). Aryabhata also mentioned that reflected sunlight is the cause behind the shining of the Moon.
Secondary sources is the right one
