Joona: Greetings from Helsinki!
Joona: <file_photo>
Natalie: how nice!
Rose: must be very dark there right now
Joona: yes, days are very short, that's the charm of Finland 
Liam: How long are you staying?
Joona: I'm coming back on 6 of January
Liam: good, so let us know when you're back in town
Joona: sure
Joona is in Helsinki. It's dark in there. Joona is coming back on 6th January. Joona will let her friends know when she's back in town.