A cow doll carried by Chinese astronaut Liu Boming to the Tianhe core module has attracted much attention. People are curious about the personal items astronauts have chosen to take with them.

In the Chinese movie "The Wandering Earth," a scene showed a Russian cosmonaut bringing a bottle of vodka to space. But, is this realistic? Can vodka be taken to the space station? Virtual character Alena talks to retired Russian cosmonaut Alexander Razutkin who spent 184 days 22 hours 7 minutes in space, to find out the answer.