Photographer Kathleen Velo gives a demonstration of a full-size camera obscura at 2 p.m., Friday, Jan. 8. Free. Velo discusses her work, which includes a series of pinhole photographs created in the bell tower at Central School Project, at 7 p.m., Saturday, Jan. 9. Free. Velo teaches a two-day workshop on building and using pinhole cameras from 10 a.m. to 1 p.m., Friday, Jan. 8; and 10 a.m. to 4 p.m., Friday, Jan. 15. $65 general; $45 for Bisbee residents; and free for students ages 13 to 18. Call or visit www.centralschoolproject.org for more information.