https://farm1.staticflickr.com/295/19515919543_9118cbe487_b.jpg
https://farm6.staticflickr.com/5467/17924872785_75e0f0c827_b.jpg
https://farm9.staticflickr.com/8868/17921814342_dfdf373c9d_b.jpg
https://farm8.staticflickr.com/7775/17737015658_de373c766f_b.jpg
https://farm8.staticflickr.com/7762/17898484656_d4c817cb74_b.jpg
https://farm8.staticflickr.com/7739/17921814542_1258cca295_b.jpg
https://farm9.staticflickr.com/8759/17045644297_5dce45cdf5_b.jpg
https://farm8.staticflickr.com/7681/17066854489_6382332578_b.jpg
Origin / manufacturing methods
MIT
