Shotwell and cadence week 2

[Lars Noodén]

Cadence week 2 covers Shotwell:

https://wiki.ubuntu.com/QATeam/Cadence/Raring/Week2

I've taken several looks at it now but am at a loss to find a basic
function which I deem essential for photo management.  I do not see the
ability to put photos (or symlinks of them) into separate folders to
make separate collections.  The only option seems to be to organize the
photos chronologically via what it calls 'events'  What am I missing or
does Shotwell really lack the ability to group photos?

Regards
/Lars