Terrorism expert Michael Yardley discusses potential groups responsible for the Lockerbie disaster.

4K Delhi Airport exteriors: Line of luggage carts with cars honking

4K Delhi Airport: Boarding plane from tarmac

4K Delhi Airport: Traveling shot on escalator

4K Delhi Airport: Traveling shot through airport

Royal Observatory - Greenwich, London in Snow.

Timanfaya Park: Tourist demonstration of thermal heat underground

How do China's panda breeding work?

Dinorwig Hydroelectric Power Station: Aerial Rushes 3

4K Delhi Airport: POV from shuttle bus across airport runway and buildings

4K Delhi Airport: Rows of planes at gate from shuttle bus POV

Dinorwig Hydroelectric Power Station: Aerial Rushes 6

6K Aerials flying over Badwater Salt Flats - Death Valley

4K Delhi Airport: Wide of runway and POV boarding plane

4K Delhi Airport: Immersive view of airport from shuttle bus to plane

Motorway falls quiet as England enters third lockdown

London skyline at night - Drone Rushes

Dinorwig Hydroelectric Power Station: Aerial Rushes 5

Dinorwig Hydroelectric Power Station: Aerial Rushes 2

8K Badwater Salt Flats - Daeth Valley

London at Night - River Thames and Canary Wharf

Drone Rushes: Wind Turbines, Devon. UK

Protesters build barricades during the bloodiest day in Yangon, Myanmar

Gaza Crisis: Large demonstration In London. Female protestors arms locked at front of rally

4K Delhi Airport: Throng of people waiting outside metal barriers

4K Delhi Airport: Exteriors of concourse with noise and bustling with people

4K Delhi Airport: Wide of signage and crosswalk

4K Delhi Airport: POV Riding up travelator

6K Aerials over Badwater salt flats: Flying low and fast

4K Delhi Airport: View from trolley cart in queue

4K Delhi Airport: Verite-style - hectic exteriors

Timanfaya Park: Driving POV past moon like lava field

4K Delhi Airport: handheld past stray dog outside airport

Death of Elizabeth: First ever public rendition of "God Save The King"

4K Delhi Airport: Long View of Indigo air shuttle bus

Royal Observatory - Greenwich, - Push forward to reveal river Thames

Royal Observatory - Greenwich, London - Slow aerial reveal

4K Delhi Airport: View from luggage cart of queueing to get into airport

4K Delhi Airport: Pillars with signage outside airport

4K Delhi Airport: High view of crowds below at exit to terminal

Trampoline gets flipped by Storm Darragh winds and damages car in Greater Manchester

Timanfaya Volcanic Park: Driving POV of lunar like landscape

6K Aerials over Badwater Salt Flats - Hikers along

6K Aerials Badwater Salt Flats - Death Valley

Timanfaya Park: View over volcano crater

4K Delhi Airport: POV exiting shuttle bus onto tarmac

Crowds Gather at Chongqing North Railway Station in Chongqing, China

London - Aerial Rushes - Dusk/Night in snow at winter

Lanzarote: Driving plate of small local town

Timanfaya Park: Wide view of volcano peaks

8K Badwater Salt Flats: Hikers along

6K Vancouver Island, Canada: Aerial Rushes 3

Mesquite Flat Sand Dunes, Death Valley

Timanfaya Park: Driving POV past lava rock field

Cricket in 4K - First ever public rendition of "God Save The King"

Gaza Crisis: Large demonstration In London. Female protestor chanting in Keffiyeh

Hockey Fans Boo U.S. Anthem In Protest Of Trump’s Tariffs

Gaza: Large demonstration In London. Press throng around Jeremy Corbyn

Abandoned Slate Mining town and lake - 4k Drone Rushes 4

Gaza: Large demonstration In London. Jeremy Corbyn surrounded

London in snow at dawn - High wide aerial view of Thames

Lanzarote: Driving past Spanish police station

6K Vancouver Island, Canada: Stunning islands covered in forest

6K Vancouver Island, Canada: Fishing boat out of harbor

Drone Footage of University of Sussex (2015)

Feeding Bears in Yellowstone

Hydroelectric Power Sation - Snowdonia Wales

6K Vancouver Island, Canada: Aerial Rushes 2

6K Vancouver Island, Canada: Aerial Rushes 4

6K Vancouver Island, Tofino, Canada: Aerials of fishing town

6K Vancouver Island, Canada: Aerial Rushes 5

6K Vancouver Island, Canada: Aerial Rushes 1

Timanfaya Park: Driving POV through layers of volcanic rock

RNLI Flagpole blown backwards as Storm Eunice/Francis approaches UK Coastline. 4K

San Francisco Little Saigon Celebrates Family Fun Day

RONA BARRETT TELEVISION INSIDE & OUT: SHOW #5. INTERVIEWS: ED ASNER, CAROL BURNETT, MICK JAGGER & ROLLING STONES, LENA HORNE, DANIEL J. TRAVANTI, BILLIE JEAN KING, PAT WEAVER (TV PIONEER), WIL SHRINER

6K Vancouver Island, Canada: Aerial Rushes 5

AEHF-5 Satellite Launch

Traffic jam in karachi during Pakistan vs England match

Gaza Crisis: Large demonstration In London. Young protestor wearing Keffiyeh.

6K GoPro driving in India : Passenger train flying past road crossing

6K GoPro driving in India : Past advertising hoardings

Extract from The South Bank Show: New World Symphony - Views of Miami and Vox pops

Passenger Plane Crashes At Landing Without Nose Gear

Final day of trial for Rubiales over kiss to Jenni Hermoso

Los Angeles skyline at dawn - Wide shot of polluted smoggy conditions at dawn

Voters Go To Polls To Vote On Election Day

6K GoPro driving in India : Men on motorbike waving at camera

Exteriors of Main Stand at Crystal Palace FC Soccer Stadium. London 5.3K

Jared Kushner, Jason Greenblatt in Israel

6K Vancouver Island, Canada: Aerials of forested islands

PHANTOM SECURE

Central London sees quieter than usual footfall on first day of new lockdown

6K GoPro driving in India : Past industrial building stores

Screener: Survival One Hours - Big Bad Cats

6K Vancouver Island, Tofino: Aerials of harbor and town

6K Vancouver Island, Canada: Aerial Rushes 6

6K Vancouver Island, Tofino: Aerial Rushes 6

Canyon Country CA - Ranch-style homes - Aerial Rushes 2

4K Drone Rushes - Remote Mining Town in Wales, UK

Myanmar military seizes power, declares state of emergency for one year. Yangon, Myanmar

Countdown (11): Show 433