With­out mas­sive feats of engi­neer­ing we rarely notice any­more because they seem so com­mon­place, the built envi­ron­ments we nav­i­gate each day wouldn’t exist. When we do turn our atten­tion to how the build­ings get made, we are met with sur­pris­es, curiosi­ties, puz­zles, moments of won­der. How much more is this the case when learn­ing about … Con­tin­ue read­ing An Ani­mat­ed Video Shows the Build­ing of a Medieval Bridge: 45 Years of Con­struc­tion in 3 Min­utes