The roof of Notre-Dame Cathedral wasn’t just a roof. Sure, it kept the rain out. But what burned away in Paris in April was a technical marvel, the height—literally—of 12th- and 13th-century ...
When Tomas van Houtryve walked into Paris’ Notre Dame Cathedral four years ago, he was wearing a hazmat suit and looking through a massive hole in its ceiling. At first you notice “all its grandeur ...