Police have detained activists behind the democracy petition, which has drawn diverse support.
Ladislav Bielik's iconic image of a Slovak baring his chest to the barrel of a Soviet tank is part of a commemorative exhibit 40 years ago to the day.
Almost 300,000 migrant workers who constructed Olympics sites and infrastructure were driven out of Beijing before the Games. Now, some are returning to the Bird’s Nest to enjoy their handiwork.
‘Protest pens’ have been empty. Those who have sought permission to demonstrate have been detained or harassed.
Up to 1.5 million residents lost their homes to Olympics-related development, often with little compensation or choice. Defiant homeowners have seen their property trashed.
Saturday's attack on American tourists, and continued unrest in Xinjiang, have tested the trouble-free Olympics Chinese officials sought.