On today's show:

• Prominent pro-independence and pro-democracy activists were arrested over the course of a day in Hong Kong as months-old protests there continue.
  
• Noted Chicago architecture firms like Studio Gang and bKL Architecture have signed onto Greta Thunberg's campaign and upcoming climate strike.
  
• A six-hour outdoor theatre project attempts to translate a 500-year-old Spanish pilgrimage into a five-mile walk through Bucktown and Humboldt Park.