01:36 duration 1 minute 36 seconds
PLSC010_L08
01:55 duration 1 minute 55 seconds
PLSC010_L07
02:18 duration 2 minutes 18 seconds
PLSC010_L06
PLSC010_L05
01:49 duration 1 minute 49 seconds
PLSC010_L04
01:22 duration 1 minute 22 seconds
PLSC010_L02
01:34 duration 1 minute 34 seconds
PLSC010_L03
PLSC010_Introduction