Produced from discarded motorcycles, spare auto parts, gas tanks and scrap iron, these artworks were made by Liu Konghua, a retired technician. / Ecns Photo

Hailing from Zoucheng, Shandong Province in east China, the talented retiree draws his artistic inspiration from the scrap he collects, transforming abandoned exhaust pipes and car wheels into the bones and joints of 'iron men.' / Ecns Photo

Liu Konghua looks at one of the models he's made from scrap material. / Ecns Photo