★ 5.7
★ 7.0
★ 6.5
★ 6.0
★ 0.0
★ 8.0
★ 5.0
★ 7.1
★ 5.8
★ 5.6
★ 4.5
★ 7.4
Each night in Silicon Valley, the Line 22 transforms from a public city bus into an unofficial shelter for the homeless in one of the richest parts of the world.