![Matthew Bennett on X: "Here is a diagram of 6 people per square metre, considered "high risk" by crowd flow experts. https://t.co/sXLZZiLn8T" / X Matthew Bennett on X: "Here is a diagram of 6 people per square metre, considered "high risk" by crowd flow experts. https://t.co/sXLZZiLn8T" / X](https://pbs.twimg.com/media/DJeNvmgWsAAFEY3.jpg)
Matthew Bennett on X: "Here is a diagram of 6 people per square metre, considered "high risk" by crowd flow experts. https://t.co/sXLZZiLn8T" / X
![Matthew Bennett on X: "Crowd expert even has a nice graph. 7 people per square metre, which would get us 1 million today, is at the extreme end of "high risk". https://t.co/NqCsIvAerS" / Matthew Bennett on X: "Crowd expert even has a nice graph. 7 people per square metre, which would get us 1 million today, is at the extreme end of "high risk". https://t.co/NqCsIvAerS" /](https://pbs.twimg.com/media/DJeR6lEXkAEmI6Z.jpg)
Matthew Bennett on X: "Crowd expert even has a nice graph. 7 people per square metre, which would get us 1 million today, is at the extreme end of "high risk". https://t.co/NqCsIvAerS" /
![Matthew Bennett on X: "Here's another diagram of 6 people per square metre. Expert doesn't even have diagrams for 7 people per square metre on his site. https://t.co/atjc8x1BTd" / X Matthew Bennett on X: "Here's another diagram of 6 people per square metre. Expert doesn't even have diagrams for 7 people per square metre on his site. https://t.co/atjc8x1BTd" / X](https://pbs.twimg.com/media/DJeOSxyXoAI9557.jpg)
Matthew Bennett on X: "Here's another diagram of 6 people per square metre. Expert doesn't even have diagrams for 7 people per square metre on his site. https://t.co/atjc8x1BTd" / X
![Simon Scarr on X: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics Simon Scarr on X: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics](https://pbs.twimg.com/media/D9keE8bUYAAhaAA.jpg:large)
Simon Scarr on X: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics
![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://cdn.i-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
![400-4 4 people per square metre (400 people in 100 square metres) | Risk analysis, Event organiser, How to dry basil 400-4 4 people per square metre (400 people in 100 square metres) | Risk analysis, Event organiser, How to dry basil](https://i.pinimg.com/originals/17/1e/32/171e3220e66ebf56291b22abd589b609.png)
400-4 4 people per square metre (400 people in 100 square metres) | Risk analysis, Event organiser, How to dry basil
![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)