This is the moment a SpaceX capsule left the International Space Station on an emergency return flight to Earth prompted by a medical issue afflicting one of the astronauts. It is Nasa’s first medical evacuation, with the mission being cut a month short. Onboard were American astronauts Mike Fincke and Zena Cardman, a Russian cosmonaut Oleg Platonov, and a Japanese astronaut Kimiya Yui. Computer modelling predicted a medical evacuation from the space station every three years but Nasa has not had one before in its 65 years of human spaceflight
The barges were filled and covered with sediment to create a new island for birds including endangered dunlin, curlew, ringed plover and lapwing.
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（四）转让或者出租与纳税人机构所在地不在同一县（市、区、旗）内的不动产；
block: Writes wait until buffer space is available. Use when you trust the producer to await writes properly.
You know exactly what type of problem I'm talking about. Making your own programming language. An IDE that supports structural editing. More and more advanced static type checkers. Custom build systems. I'm sure you can think of others.