View looking along Nanjing Donglu, Shanghai's main pedestrianized shopping street, Shanghai, China, Asia

View looking along Nanjing Donglu, Shanghai's main pedestrianized shopping street, Shanghai, China, Asia

Tram, Lisbon, Portugal, Europe

Cable car on Hyde Street, San Francisco, California, USA

Street scene, Hyde Street, San Francisco, California, USA

Cable car on Nob Hill, San Francisco, California, USA

Couple posing in front of an off-road vehicle, Kubu Island, Makgadikgadi Pan, Botswana

Famous vintage yellow tram 28 in the narrow streets of Alfama district in Lisbon, Portugal, symbol of Lisbon, famous popular travel destination and tourist attraction, Europe

Famous vintage yellow tram 28 in the narrow streets of Alfama district in Lisbon, Portugal, symbol of Lisbon, famous popular travel destination and tourist attraction, Europe

Famous vintage yellow tram 28 in the narrow streets of Alfama district in Lisbon, Portugal, symbol of Lisbon, famous popular travel destination and tourist attraction, Europe

The Jalpak name and logo as seen on this Waikiki trolley rolling down Ala Moana Boulevard, a provider for Japanese tourists, Waikiki, Honolulu, Oahu, Hawaii, United States of America

Waikiki trolleys waiting for passengers on Holomoana Street near the Ala Wai boat harbor (in background) in Waikiki, Honolulu, Oahu, Hawaii, United States of America

A Waikiki pink line trolley rolls down Kuhio Avenue near the intersection with Launiu Street, Honolulu, Oahu, Hawaii, United States of America