London 's Royal Botanical Gardens at Kew opens treetop walkway . The walkway at Kew is designed to give visitors a new perspective on trees . It offers bird 's eye view of previously unreachable trees . It hopes new technology will help people understand how to nurture trees .
London 's Royal Botanical Gardens at Kew opens treetop walkway . It offers bird 's eye view of previously unreachable trees . It hopes new technology will help people understand how to nurture trees .