Due to the lazo disaster in siberia , the united nations ( un ) passes a resolution banning vampire blood research .
由于在西伯利亚拉佐灾难，联合国（un）通过一项决议，禁止吸血鬼血液的研究。
April 2010 : ( l-r ) venezuela 's president hugo chavez , bolivia 's foreign affairs minister david choquehuanca , bolivia 's president evo morales , and cuba 's vice-president juan esteban lazo take part in the closing ceremony of a climate summit in bolivia .
