Malignant tumors can invade nearby tissues and spread to other parts of the body. Some malignant conditions like malignant hypertension are not cancer, but they are still very serious. Both benign and ...
Tourists visit the Potala Palace in Lhasa, Tibet autonomous region. [Photo by He Penglei/China News Service] Since the 1970s, the Western world has treated Tibet as an earthly Shangri-La, synonymous ...
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