back 100 years ago in United States, more precisely at San Diego, California, for the Panama-California Exposition !
This Exposition was an exposition held between January 1, 1915, and January 1, 1917.
The exposition celebrated the opening of the Panama Canal, and was meant to tout San Diego as the first U.S. port of call for ships traveling north after passing westward through the canal.
The Expo was held in San Diego's large urban Balboa Park, on 260ha.
Number of visitors : 3 747 916.
Formal Gardens and Citrus Grove frome Southern Counties Building :
Botanical building :
Lagoon and Botanical building :