https://farm6.staticflickr.com/5785/30273093410_ac4cb85cd3_b.jpg
https://farm6.staticflickr.com/5500/30455389252_febea65bf3_b.jpg
https://farm6.staticflickr.com/5341/30273093770_69993a7d86_b.jpg
https://farm6.staticflickr.com/5343/30273093680_016fd12081_b.jpg
https://farm6.staticflickr.com/5716/30536113796_9fa14d38e3_b.jpg
Origin / manufacturing methods
China