![ALEX KALAT ERA on Twitter: "RT @belugasong: 2) LEARN HOW TO WATCH CROWD DENSITY This may be the most important step in the thread. Once crowd density reaches 6 people…" / Twitter ALEX KALAT ERA on Twitter: "RT @belugasong: 2) LEARN HOW TO WATCH CROWD DENSITY This may be the most important step in the thread. Once crowd density reaches 6 people…" / Twitter](https://pbs.twimg.com/media/FgS2xmTacAAfq0r.jpg)
ALEX KALAT ERA on Twitter: "RT @belugasong: 2) LEARN HOW TO WATCH CROWD DENSITY This may be the most important step in the thread. Once crowd density reaches 6 people…" / Twitter
![Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The](https://pbs.twimg.com/media/ECLYUZrUYAQ5Ybo.png)
Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The
![Strict crowd limits set for Beijing Lunar New Year celebrations in wake of Shanghai crush | South China Morning Post Strict crowd limits set for Beijing Lunar New Year celebrations in wake of Shanghai crush | South China Morning Post](https://www.scmp.com/sites/default/files/2015/02/13/two-metre-graphic.jpg)
Strict crowd limits set for Beijing Lunar New Year celebrations in wake of Shanghai crush | South China Morning Post
![a) Exposure of human population (people per square meter) and map of... | Download Scientific Diagram a) Exposure of human population (people per square meter) and map of... | Download Scientific Diagram](https://www.researchgate.net/publication/361913349/figure/fig4/AS:1176793792954369@1657580912703/a-Exposure-of-human-population-people-per-square-meter-and-map-of-b-socioeconomic.png)
a) Exposure of human population (people per square meter) and map of... | Download Scientific Diagram
![Matthew Bennett on Twitter: "6. And 3-5 people in EVERY square metre for 353,790 square metres is basically impossible. https://t.co/NrfJTUUUGH https://t.co/rx62CWjuTG" / Twitter Matthew Bennett on Twitter: "6. And 3-5 people in EVERY square metre for 353,790 square metres is basically impossible. https://t.co/NrfJTUUUGH https://t.co/rx62CWjuTG" / Twitter](https://pbs.twimg.com/media/DmQj-mEX0AE22yj.jpg)
Matthew Bennett on Twitter: "6. And 3-5 people in EVERY square metre for 353,790 square metres is basically impossible. https://t.co/NrfJTUUUGH https://t.co/rx62CWjuTG" / Twitter
Valentine Bowling Club - The people per square metre restrictions have been eased to now allow 2 people per square meter 😊 | Facebook
![Picture from [30]: example of 5 standing people (adults) per square... | Download Scientific Diagram Picture from [30]: example of 5 standing people (adults) per square... | Download Scientific Diagram](https://www.researchgate.net/publication/317594832/figure/fig14/AS:613941923291151@1523386569291/Picture-from-30-example-of-5-standing-people-adults-per-square-meter-red-box-top.png)