© wwf|Empire State Building - New York City (foto David Chan)

© wwf|Empire State Building - New York City (foto David Chan)

© wwf|Londra - Tower Bridge (foto Ian James)

© wwf|Londra - Tower Bridge (foto Ian James)

© wwf|Sri Lanka

© wwf|Singapore

© wwf|Singapore

© wwf|Perù - Lima

© wwf|Palestina

© wwf|Pakistan

© wwf|Nigeria - Lagos

© wwf|Nuova Zelanda - Auckland - SkyTower (foto Fraser Newman)

© wwf|Nuova Zelanda - Auckland - SkyTower (foto Fraser Newman)

© wwf|Mosca - Cremlino (foto Evgeniy Litovko)

© wwf|Mosca - Cremlino (foto Evgeniy Litovko)

© wwf|Mongolia

© wwf|Maldive

© wwf|Jamaica - Kingston

© wwf|Milano - Torre Unicredit (foto Alberto Balestra)

© wwf|Milano - Torre Unicredit (foto Alberto Balestra)

© wwf|Milano - Teatro La Scala (foto Alessia Sacchetti)

© wwf|Milano - Teatro La Scala (foto Alessia Sacchetti)

© wwf|Bologna - piazza Maggiore (foto Ilaria Rizzo)

© wwf|Bologna - piazza Maggiore (foto Ilaria Rizzo)

© wwf|Iran - Isfahan

© wwf|Iran - Isfahan

© wwf|Indonesia - Jakarta - Monas 

© wwf|Indonesia - Jakarta - Monas

© wwf|Indonesia - Aceh

© wwf|Hong Kong

© wwf|Hong Kong

© wwf|Giappone - Tokyo -Tokyo Tower

© wwf|Giappone - Tokyo -Tokyo Tower

© wwf|Finlandia - Helsinki - Olympic Stadion Tower

© wwf|Finlandia - Helsinki - Olympic Stadion Tower

© wwf|Filippine

© wwf|Praga - Charles-Bridge (foto Lukas Kucera)

© wwf|Praga - Charles-Bridge (foto Lukas Kucera)

© wwf|Cina - Macao

© wwf|Cina - Macao

© wwf|Brunei

© wwf|Costa d'Avorio

© wwf|Brunei

© wwf|Isole Fiji

© wwf|Belgio

© wwf|Australia

© wwf|Australia - Sidney - Opera House (foto Simon Hewson)

© wwf|Parigi - Tour Eiffel

© wwf|Parigi - Tour Eiffel

© wwf|Milano - Castello Sforzesco (foto Sara Bragonzi)

© wwf|Milano - Castello Sforzesco (foto Sara Bragonzi)

© wwf|Firenze - David di Michelangelo (foto Enrico Calvario)

© wwf|Firenze - David di Michelangelo (foto Enrico Calvario)