Skip to content
Accessibility Help

Home
News
Sport
Business
Technology
Health
Culture
Arts
Travel
Earth
Audio
Video
Live

Home
News
Sport
Business
Technology
Health
Culture
Arts
Travel
Earth
Audio
Video
Live

Hafan
Cylchgrawn
Gwleidyddiaeth
Gwrando
Cwis
Gog-Orll
Gog-Ddwy
Canolbarth
De-Orll
De-Ddwy
Wales News

Gwyddonwyr

I wylio'r fideo yma, mae'n rhaid galluogi JavaScript yn y porwr.

Methu chwarae'r fideo

Gwyddonwyr

Alun Meggy

Is-adran
Newyddion a mwy

Cyhoeddwyd

19 Mai 2016

Home
News
Sport
Business
Technology
Health
Culture
Arts
Travel
Earth
Audio
Video
Live

Terms of Use
About the BBC
Privacy Policy
Cookies
Accessibility Help
Parental Guidance
Contact the BBC
Careers
BBC emails for you
Advertise with us

Copyright © 2026 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.

You might also like:

news | sport | weather | worklife | travel | future | culture | world | business | technology