back home in the ghanaian capital accra their idea is catching on for much more down to earth reasonsthe bamboo bikes are affordable, and who knows, with more than half of the population in accra under the age of 24 -- they may soon even set a trend. >> bicycle builders like ibrahim djan nyampong are few and far between in accra, the capital of ghana. people are become more affluent and traffic is a growing problem, despite the price of petrol. but this bicycle is made right here in ghana -- and not out of steel but bamboo! >> it's a bamboo bike and it's very light. it's ten times stronger than a metal bike. it's a smooth ride. >> ibrahim's workshop overlooks the city. the bamboo takes several months to dry. then it's sawn into pieces and planed before ibrahim and his team start to assemble the frame. his five employees do the preliminary work. then ibrahim talks them through the hard part. the idea for the bamboo bikes originated in the us about 6 years ago. two years ago, ibrahim partnered with an austrian company. >> in the initial stage it was difficult. we didn't have all the too