Who among the following addressed Delhi as one of the greatest cities in the…

Ibn Batuta, a Moroccan traveler who visited India during the reign of Muhammad bin Tughlaq in the 14th century, described Delhi in his book Rihla. He called Delhi a "vast and magnificent city" and stated that it was the largest city in the entire Islamic East at that time. He was highly impressed by its massive walls, gates, and the overall prosperity of the city.