This is a video guide with all 16 events from Anna Extended Edition.
These events are unique and you can miss them, so try to find all before advancig on the game.

Main Room
#1 0:05
#2 0:14

Workshop
#3 0:21

Main Room
#4 0:46

Attic
#5 1:11
#6 1:32

Living Room
#7 1:38
#8 1:57
#9 2:10

Main Room (2nd time)
#10 2:32
#11 2:45
#12 2:54
#13 3:05
#14 3:23

Workshop (2nd time)
#15 3:34

Temple
#16 3:57