Blue glass with students

2 mins 14 secs

2 mins 36 secs

6 mins 11 secs

3 mins 20 secs

1 min 4 secs

4 mins 54 secs

1 min 56 secs

3 mins 40 secs

4 mins 51 secs

2 mins 20 secs

1 hour 15 mins 22 secs

1 min 21 secs

1 min 35 secs

2 mins 20 secs

2 mins 15 secs

5 mins 16 secs

43 secs

2 mins 52 secs

2 mins 38 secs

32 secs

4 mins 16 secs

1 min 45 secs

4 mins 37 secs

15 mins 2 secs

12 mins 52 secs

4 mins 39 secs

19 mins 51 secs

6 mins 16 secs

1 hour 59 mins 4 secs

1 hour 59 mins 18 secs

1 hour 56 mins 17 secs

17 mins 32 secs

5 mins 29 secs

2 mins 33 secs

22 mins 9 secs

15 mins 36 secs

10 mins 3 secs

11 mins 6 secs

6 mins 20 secs

5 mins 33 secs