The construction of the Charles Bridge started in the 14th century under Charles the IV. There are many different rumors about what was used instead of cement – and it wasn’t just eggs. According to one website the secret ingredients that helped hold the bridge together include various organic products such as milk, blood, cottage cheese, wine and last but not least: beer.
Read the full article on Prague.TV’s website. The best place to discover Prague, like a local!
http://prague.tv/en/s72/Directory/c202-Health-Wellness/n5707-Beer-Country-Eats-Sleeps-Breathes-and-Bathes-Beer