The authorities spend half a billion dollars each year cleaning up soil that's been washed into the water when rainwater courses down denuded slopes.

BBC: Rio +20: Joining the ecological dots

Gebremariam was second in the 2004 World Cross Country Championships behind Bekele, while Berhanu ran the fastest half marathon ever on British soil to win last September's BUPA Great North Run.

BBC: SPORT | Athletics | Ethiopian trio set for Edinburgh

Berhanu won the 2004 event in a time of 59.37, which was then the fastest half-marathon performance on British soil.

BBC: SPORT | Athletics | Berhanu to replace absent Tergat

Lions fly-half Stephen Jones, back on home soil after his exertions in South Africa, welcomed the new regime at Parc y Scarlets.

BBC: Scarlets hand captaincy to Jones

England fought back in Saturday's Test having trailed 14-0 at half-time but were eventually undone by two late penalties to be denied a first win over the Wallabies on Australian soil since the 2003 World Cup final.

BBC: England wing Mark Cueto cleared of dangerous tackle