Resolution of singularities.

Kollár 3.5: Sarah
Kollár 3.6: Siddarth and Veronica
Kollár 3.7: Veronica and Siddarth
Kollár 3.8:
Kollár 3.9: Ming Hao
Kollár 3.10: Dan
Kollár 3.11:
Kollár 3.12:
Kollár 3.13: