This unique performance of Puccini's opera from Rome reaches its climax with Act 3, which takes place in the sinister prison of the Castel Sant'
Angelo on the banks of the Tiber. (For full details see Act 1 at 11.00am yesterday. The complete opera is on Channel 4 at 8.30pm tonight) ●STEREO

6.35 Maths Methods: Vibration Absorbers 7.00 Modern Art:
Beckmann 7.25 Floating an Integral
7.50 Pieter Bruegel and Popular Culture 8.15 Runningthe Country
8.40 Nitrate in Drinking Water 9.05 Looking Again at Large Samples
9.30 The Leathart Collection 9.55 Science: Fires of Life 10.20 Age and Identity 11.10 Open Forum
11.35 The Kenyan Small Farmer

Laurie Mayer presents a political review for the region. With reports from Jonathan Beale and Tim Donovan.
●REGIONAL PROGRAMME

Introduced by Steve Rider from Silverstone.
Provisional Timetable
12.30 Motorracing
2.00 British Grand Prix
3.50 Formula 3; 4.30 Athletics
4.50 Yachting; 5.20 Golf Motor Racing
British Grand Prix from
Silverstone. An in-depth look at the men and machines that matter in the high-speed world of Formula 1. And at 2.00pm, the whole race live, followed by reaction to the outcome.
Commentary by Murray Walker , James Hunt and Jonathan Palmer. Plus round ten of the Formula 3 Championship. ●FEATURE: page43
Golf: the Open
A preview of the 121st Open Championship, which begins at Muirfield on Thursday.
Athletics
With two weeks to go to the start of the Barcelona Olympics a feature on Britain's two athletics captains, Linford Christie and Sally Gunnell.
Yachting
An introduction to Britain's
Olympic team and a look at the Ultra 30 Grand Prix Series.
Bob Fisher reports. Grand Prix TV presentation
Keith Mackenzie and Jim Reside

The animated screen version of Richard Adams 's best-selling novel about the epic journey of a group of rabbits in search of a safer home. With the voices of John Hurt , Richard Briers ,
Hannah Gordon , Roy Kinnear , Zero Mostel, Denholm Elliott , Harry Andrews ,
Michael Hordern , Ralph Richardson and Simon Cadell.
Written and directed by Martin Rosen FILMS: pages 51-60
● TELETEXT SUBTITLES: page 888

The Rise of the Mammals. The mammals have proved to be one of the most adaptable products of evolution. Their ancestry can be traced back nearly 200 million years to the dinosaur era, when the first furry warm-blooded creatures scurried at night while the mighty reptiles slept. Presented by David Attenborough. Producer John Sparks
●TELETEXT SUBTITLES: page 888

Mammals have proved to be one of the most adaptable products of evolution. David Attenborough looks at their evolution from reptiles 200 million years ago. Show more

A season of Alan Bennett 's films and plays for television starts with his gentle observation of a cycling club's trip one summer Sunday in 1911. As the group of men and youths leave the soot and smoke of Halifax behind, they argue and tease, talk about temperance and socialism and encounter the occasional cow.
First broadcast in 1972, it was shot in black and white and directed by Stephen Frears.
Producer Innes Lloyd
0 DRAMA: page 6

Highlights of the British Grand Prix from Silverstone. Two years ago, having limped out of the British Grand Prix in his
Ferrari, Nigel Mansell stunned viewers by announcing his retirement from Formula 1.
This year, back at Williams,
Mansell has his best chance of achieving his only remaining goal - taking the World
Drivers' Title. Will he take a step nearer that goal today? Commentary by Murray Walker , James Hunt and Jonathan Palmer. Producer Mark Wilkin
Executive producer Jim Reside
(Repeated tomorrow at 00am;

Alex Cox introduces another in the season of cult movies.
Escape from New York
A futuristic adventure from John Carpenter , starring Kurt Russell Lee Van Cleef
Donald Pleasance
The year is 1997 and the island of Manhattan has been turned into a maximum security prison. When the president is hijacked and taken there, Snake Plissken is called in to help.
●TELETEXT SUBTITLES: page 888 FILMS: pages 51-60
Moviedrome producer Nick Freand Jones

American series about a reporter investigating the supernatural, starring Darren McGavin
Legacy of Terror. Carl Kolchak looks into the chilling story of a 500-year-old Aztec mummy resuming ancient sacrificial rites which threaten mankind.