I will tell you how a folding bike enthusiast can find the most interesting picture collection of folders.
I sat by the fireside and started surfing. My linguistic interest took me to places where I learnt what a folding bike is called in the languages of countries with a remarkable bicycle culture.
When I had collected my data, I was not sure which language should be placed at the top of my list. English is spoken around the world, but China is definitely the biggest bicycle country.
Here is my list:
Chinese: 折叠自行车 (zhedie zixingche)
English: Folding bike
French/Francais: Vélo pliant
Italian/Italiano: Bicicletta pieghevole
Japanese: 折りたたみ自転车 (Oritatami jitensha)
Polish/Polska: Rower składany
Russian: Складной велосипед (skladnoi welosipjed)
Spanish/Espagnol: Bicicleta plegableSwedish/Svenska: Hopfällbar cykel
This is how you get your picture collections. Copy one of the expression for folding bike and paste it into Google`s search engine for pictures on the web.
Google` search result for the input of "folding bike" yields this: Chinese version (zhedie zixingche).