A foreigner, a foreigner who loves the Great Wall to the bone, spent half his life to guard the Great Wall of China, picking up garbage on the Great Wall for 23 years, only because he had yearned for the Great Wall since he was a child, but climbed

A foreigner, a foreigner who loves the Great Wall to the bone, spent half his life to guard our Great Wall of China, picked up garbage on the Great Wall for 23 years, only because he was extremely yearning for the Great Wall since he was a child, but climbing the Great Wall found that there was garbage thrown by tourists everywhere, and his heart was broken, so he founded the International Great Wall Association, regardless of pay, not seeking returns, picking up garbage on the Great Wall for decades, becoming a "volunteer cleaner" on the Great Wall. Known as the "Great Wall Scavenger". He was William Lindsay from England.