But the cave walls are encased with highly prized swiftlet nests, used in bird's-nest soup.
The Sun (2018)
The beluga, the osetra and the sevuga sturgeons are the most highly prized for their roe.
Times, Sunday Times (2006)
These women considered themselves lucky to have such highly prized jobs during wartime.
The Sun (2016)
The tiny'wild' ones are the most highly prized of all.
The Sun (2013)
They are highly prized in Europe.
Smith, Drew Food Watch (1994)