Fire, the wheel and even cup noodles were among the varied answers to the question posed by CNN: "What is man’s greatest achievement?" CNN producers armed with cameras put the puzzler to passersby in Berlin, Madrid, Rome, Bangkok, Tokyo, New Delhi and Paris. In the lead-up to the 40th anniversary of NASA’s Apollo 11 mission, more people might have been expected to nominate the moon landing as one of man’s greatest feats. Alas not
