https://farm1.staticflickr.com/295/19515919543_9118cbe487_b.jpg
https://farm4.staticflickr.com/3751/19051303291_be77d11d86_b.jpg
https://farm1.staticflickr.com/471/19048148645_f067d2fe06_b.jpg
https://farm1.staticflickr.com/498/19051303201_a23fc784c1_b.jpg
https://farm1.staticflickr.com/434/19021912016_e918bb598a_b.jpg
https://farm1.staticflickr.com/290/18861962439_29a913ed35_b.jpg
https://farm1.staticflickr.com/409/19048148165_88659617f9_b.jpg
https://farm1.staticflickr.com/332/18860429940_9ffd7fb1e3_b.jpg
https://farm9.staticflickr.com/8759/17045644297_5dce45cdf5_b.jpg
https://farm8.staticflickr.com/7681/17066854489_6382332578_b.jpg
Origin / manufacturing methods
MIT
