Uploaded May 2026 | Updated September 2026, 3 weeks ago

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Copacabana Beach in Rio de Janeiro hosts some of the world’s largest concerts for free. WSJ sat down with two experts with decades of experience in live events to understand what makes this such a challenging event to plan and how hidden engineering helps keep crowds under control. Watch how they sketch, prep and execute a strategy to manage millions of people.

Chapters:
0:00 Copacabana Beach concerts
0:41 Challenge 1: the sand
1:37 Challenge 2: the queue
2:30 Challenge 3: the barriers
3:37 Challenge 4: sightline
4:04 Challenge 5: crowd surge
5:28 Challenge 6: the set list
5:52 Challenge 7: crowd density

Pro Perfected
Experts in engineering and design break down a ubiquitous problem, examining how the world is built and what can make it better.

#Brazil #Concert #WSJ