Originally Posted by CyberSEO

12.5 millions of residents + countless number of illegal migrants, actually
...
Try to organize a similar march of Putin's supporters and you won't gather a 1/100 of those who came to the streets yesterday. So maybe 15,000 is not much for the 12.5 million city, but it's incomparable more than the number those who are ready to march on cold for Putin.