2根绳编可滑动活扣绳结

　　For 4.5 billion years mutation, gene flow and natural selection have driven the evolutionary process and forged life on earth. Today cultural evolution is taking over changing how we live, how we think and how we die. For the first time in history humankind has the knowledge and the tools to intervene directly in its own evolutionary process. The SIX EPISODES DOCUMENTARY TV SER... (展开全部)