That looks like a protest rally.

那看起来像是一场抗议集会。

youdao

The Pakistani government has made extensive preparations to prevent Monday's protest rally in downtown Islamabad.

VOA: standard.2009.03.14

At the rally site during the week, protest leaders and Mr.Thaksin in phone-in comments, said they were looking to challenge the existing bureaucratic elite.

VOA: standard.2010.03.20

Saturday's protest took a more confrontational stance as Red Shirt protesters demanded troops stationed close to the rally site in central Bangkok to stand down.

VOA: standard.2010.03.27

Many were attending their first ever protest rally, which is more significant.

BBC: Canberra's season of protest

His successor, Michael Howard, beat a humiliating retreat on performance-related pay after the police staged a mass 20, 000-strong protest rally at Wembley Stadium.

ECONOMIST: Police: Bruising for a fight | The

So far, it has attracted more than 3, 000 supporters, many of whom are planning to take part on a protest rally on 2 February.

BBC: Glasgow & West Scotland