That looks like a protest rally.

那看起来像是一场抗议集会。

youdao

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

As the march reached the White House and a rally was held across the street at Lafayette Square, Darfur activist and native Mohamed Yahya joined the protest.

VOA: standard.2010.05.23

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

The Police Federation plans a protest rally in Westminster on January 23rd and a ballot of members on whether they want the right to strike.

ECONOMIST: Public-sector pay disputes

The Islamic Revival Party's regional chief in Gorno-Badakhshan, Sabzali Mahmadrizoev, disappeared shortly after speaking at a protest rally in Khorog last Monday, Mr. Kabiri said.

WSJ: Western Tourists Caught in Tajik Drama