Anti-war protest on the 10th anniversary of the war in Afghanistan, San Francisco, California, 2011.

Anti-war protest on the 10th anniversary of the war in Afghanistan, San Francisco, California, 2011.

 Protest against Ferguson grand jury verdict, Oakland, California, 2014.

Protest against Ferguson grand jury verdict, Oakland, California, 2014.

 Protest against Ferguson grand jury verdict, Oakland, California, 2014.

Protest against Ferguson grand jury verdict, Oakland, California, 2014.

 Protest against Ferguson grand jury verdict, Oakland, California, 2014.

Protest against Ferguson grand jury verdict, Oakland, California, 2014.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 Celebrations on the day the Supreme Court struck down the Defense of Marriage Act (DOMA), Oakland, California, 2013.

Celebrations on the day the Supreme Court struck down the Defense of Marriage Act (DOMA), Oakland, California, 2013.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 Peace rally following election of Donald Trump, Oakland, California, 2016.

Peace rally following election of Donald Trump, Oakland, California, 2016.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 "Millions March" protest against police brutality, Oakland, California, 2014.

"Millions March" protest against police brutality, Oakland, California, 2014.

 Keystone XL pipeline protest, San Francisco, California, 2015.

Keystone XL pipeline protest, San Francisco, California, 2015.

 Keystone XL pipeline protest, San Francisco, California, 2015.

Keystone XL pipeline protest, San Francisco, California, 2015.

 Protest calling for a fracking ban in California, Oakland, 2015.

Protest calling for a fracking ban in California, Oakland, 2015.

 Protest calling for a fracking ban in California, Oakland, 2015.

Protest calling for a fracking ban in California, Oakland, 2015.

 Union-led protest against Dakota Access Pipeline, Oakland, California, 2016.

Union-led protest against Dakota Access Pipeline, Oakland, California, 2016.

 #NoDAPL Day of Action, San Francisco, California, 2016.

#NoDAPL Day of Action, San Francisco, California, 2016.

 #NoDAPL Day of Action, San Francisco, California, 2016.

#NoDAPL Day of Action, San Francisco, California, 2016.

 #NoDAPL Day of Action, San Francisco, California, 2016.

#NoDAPL Day of Action, San Francisco, California, 2016.

 Rally calling for $15 minimum wage, Berkeley, California, 2015.

Rally calling for $15 minimum wage, Berkeley, California, 2015.

 Rally calling for $15 minimum wage, Berkeley, California, 2015.

Rally calling for $15 minimum wage, Berkeley, California, 2015.

 Occupy Oakland calls a General Strike, Oakland, California, 2011.

Occupy Oakland calls a General Strike, Oakland, California, 2011.

 Occupy Oakland calls a General Strike, Oakland, California, 2011.

Occupy Oakland calls a General Strike, Oakland, California, 2011.