Outside the press centre hundreds of blackclad and helmeted riot police carried shields and batons and looked wistfully at the trades-unionists demonstrating politely across the street.

• 新闻中心外，数以百计的防暴警察身着黑衣头盔，手持盾牌警棍，虎视眈眈地盯着举行和平示威的工会成员。