9.8M views · 20K reactions | How do gigantic tower cranes pop up on construction sites in just a few days? 樂 #engineering | Interesting Engineering | Facebook

1.7M views · 17K reactions | In a practice unique to Catalonia, people climb on top of each other to create towers called castells, sometimes up to 10 tiers high. Step inside a town square as one goes up. #Daily360 | The New York Times | Facebook