What is the history of temples and mosque of Kashi-Mathura?

After Gyanvapi survey and shivling found in mosque that major question raised is that Can the mosque be converted into a temple by court order? Can Hindus be allowed to worship in the alleged Shivling found in the Vazukhana of Gyanvapi? Watch this video to know what historians have to say on Gyanvapi and its history.