India, May 3 -- Across languages and centuries, the word "mogul" has come to signify opulence and power. Media mogul, we say; or industry mogul, for a force that shapes the world. It's one of the littlest ways in which the Mughal dynasty lives on. The word has its roots in the sheer opulence of Mughal rule in India, which lasted from 1526 to 1857. These emperors were among history's most passionate patrons of the arts, commissioning jewellery, manuscripts, paintings and architecture of breathtaking scale and ambition. It is an indication of just how exceptional they were in this regard that, when emerald-lensed spectacles turned up at auction house Sotheby's in 2021, the consensus was they had to be Mughal. Who else would have had the means...