The Grand Canal, an exhibition now in Songjiang, takes people back to the glorious days of Songjiang as a strategic port in the heydays of water transportation. [Photo provided to chinadaily.com.cn] ...

Canaletto’s previous record was held by his Grand Canal from Palazzo Balbi to the Rialto, which sold at Sotheby’s London in 2005 for £18.6 million ($24.6 million).

The Grand Canal in Venice, Italy. Photo: Rory McDonald / Getty Images It is known as the floating city, but is Venice sinking?