Jumbo PUZZLE

Read down the letters in the shaded squares to spell out a British green space (8,6).

ACROSS

Copper alloy (6)

Thus (9)

Camembert, Roquefort, for example (6)

Ringing up (7)

Adjacent (9)

Salver (4)

Italian landmark, the ___ Tower of Pisa (7)

Of an ethnic group (6) Punches (6)

For every (3)

Spacemen (10)

Trail secretly (6)

West Side Story song written by Leonard Bernstein and Stephen Sondheim, and sung by Tony and Maria (9) Books of maps (7)

Homeless dog (5)

Hold back (8)

Delete (5)

Cutlery item (8)

Irritate (5)

Huge (7)

Thick paper (9)

Screenplay (6)

Amazing (10)

Domesticated pig (3) Demand firmly (6)

Baby (6)

Sleeping place in a house (7)

Molten rock (4)

The Rockies, The Himalayas, for example (9)

Cooking instructions (7) Taken illegally (6)

Provisions (9)

Tacked (6)

DOWN

Grasped (7)

Declaration (12)

Patterns (7)

Dais (5)

Leaving (9)

Dedication (8)

Applauds (13) Broadcasting, publishing, and the internet) (5)

Boffin (9)

Place to dine (10)

Hair product (7) Stargazers (11) Basically (11)

Rule (6)

In front (5)

Amphibians (5)

On a ship or train (6) Resoluteness (13)

Paved back gardens (5) A retentive memory type (12) 40 In the first place (10) 43 Declaration (9) 44 Outstanding (9) 46 Get in touch with (7) 48 Became aware (8) 50 One part in every hundred (7) 51 Pistol case (7) 55 Ladder sections (5) 56 Light-splitting device (5)