In Cuba, there is a genius for fighting automotive obsolescence. Even in 2014, the streets are still lined with 1950s cars, the ones that were there before Fidel Castro came to power in 1959. With some exceptions, imports of new cars were banned since the revolution, but now the ban's lifted and the imports are onsale starting this morning. The BBC's Sarah Rainsford reports from Havana. Click the audio player above to listen.