Building a Bridge in the 14th Century

The historic Charles Bridge in Prague, Czech Republic, was built over the Vltava River. Construction began in 1357 and continued for around 50 years. How did they build such a large and sturdy bridge back then? This video by Tomáš Musílek gives us a ridiculously quick idea of what was involved in the bridge construction.

We can only hope the engineers and laborers alike were adequately compensated. -via TYWKIWDBI

(Image credit: Sergey Ashmarin)

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why always with the crappy music?

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Given the behavior of most of the people shown (I think these are mostly Russian dashcam videos), they all should expect to have a brush with death. Many are walking into traffic without looking, walking into traffic while texting, driving at high speed in snowy conditions or with low visibility, or even trying to overtake an oncoming car while crossing the street!
And then there's the car in Arabia, which was probably an incident of 'drifting'; a nihilistic and suicidal practice of disaffected and bored Saudi men.
I showed some of these videos to my daughter when she was learning to drive, in order to show her the kinds of things she should be aware of for 'defensive driving'.