In 2010 San Francisco passed a 'sit-lie' ordinance making it illegal to sit or sleep on city sidewalks during daylight hours.
But people are resilient and creative, and find ways to evoke a sense of home even where there isn't one.
These photos explore how anyone can become an architect, taking common city objects and repurposing them into a wall, a roof, a staircase, a home.
The view from above and the side is meant to evoke plan and elevation architectural drawings.
The line between private and public, urban and domestic blurs.
How do people cultivate a sense of a home in a city where opportunity isn't available?