Yesterday marked the 20th anniversary of the Tiananmen Square massacre. Today, The Big Picture, the Globe's photo blog, put up a touching remembrance. The changes—the disconnect, the growth—between these two pictures, 1989 and today, are striking:

Changan Avenue, near Tiananmen Square, 1989

Changan Avenue, near Tiananmen Square, 2009
When I was last in China, my blog was blocked by the great firewall. That's me, a rabble rouser. I rouse rabble.