Who knew counting a crowd would be so… political? If the election felt contentious, the inauguration seemed to make the country even more divided, between “us” and “them.”

After crowds gathered on the Washington Mall for President Trump’s inauguration and the Women’s March the following day, Only Human looks at what happens to us as individuals when we become part of a crowd. We look at the crowd psychology behind Donald Trump’s rallies, the crowd dynamics in anti-Trump protests, and ways to stay safe in a crowd.

Here’s a video of tips from a crowd management expert we spoke to, Paul Wertheimer.

 Animation by Nate Milton