The Prince of Wales (left) leaves at the end of a visit to the ZERO2FIVE Fo...

• People: William, Prince of Wales

The Prince of Wales reacts as he visits Cardiff Metropolitan University, wh...

• People: William, Prince of Wales

The Prince of Wales (left) during a visit to the ZERO2FIVE Food Industry Ce...

• People: William, Prince of Wales

The Prince of Wales (centre) speaks with members of staff testing the salt ...

• People: William, Prince of Wales

The Prince of Wales (right) speaks with members of staff testing the salt c...

• People: William, Prince of Wales

The Prince of Wales (left) speaks with members of staff testing the salt co...

• People: William, Prince of Wales

The Prince of Wales (left) speaks with members of staff testing the salt co...

• People: William, Prince of Wales

The Prince of Wales (left) tastes a snack made of seaweed during a visit to...

• People: William, Prince of Wales

The Prince of Wales speaks with members of the public during a visit to the...

• People: William, Prince of Wales

The Prince of Wales (left) looks at food packaging made with seaweed during...

• People: William, Prince of Wales

The Prince of Wales reacts as he visits Cardiff Metropolitan University, wh...

• People: William, Prince of Wales

The Prince of Wales (right) during a visit to the ZERO2FIVE Food Industry C...

• People: William, Prince of Wales

The Prince of Wales (right) speaks with members of the public during a visi...

• People: William, Prince of Wales

The Prince of Wales (right) speaks with members of staff during a visit to ...

• People: William, Prince of Wales

The Prince of Wales (right) during a visit to the ZERO2FIVE Food Industry C...

• People: William, Prince of Wales