Havana has reinvented itself as a tourist destination, but just outside its borders the landscape looks vastly different. Wood-fired stoves and tobacco farms are the norm, in contrast with the busy streets of the capital.
Mando, a Korean auto company, has developed a chainless electric bike. The lithium-ion battery alone can transport riders up to 19 miles, but users can pedal the bike to generate more power and extend the range. With no chain to get in the way, the bike folds up extremely small for ease of carrying on public transit.
These tunnels and traps, located outside Ho Chi Minh City, are a testament to the resourcefulness and ingenuity of soldiers and civilians during the Vietnam war.
Under development for years, California-based Aerofex has finally released videos of their hoverbike in flight. Powered by two enormous fans, the bike glides 15 feet off the ground and has been tested at speeds up to 30mph.