For the photo challenges Ludwig Keck’s Monday Windows and Becky’s October Square, this post on Würzburg features the windows and lines of the city’s historic architecture. (The first two photos are squares.)
This one is my favorite window photo. (There are squares and geometric lines in it too!)
The Baroque architecture of the prince-bishop’s palace, the Würzburger Residenz
Church of our Lady, Marienkapelle
St. Kilian Cathedral, Würzburger Dom
Nuemuenster Collegiate Church
More Baroque architecture
City center
On the Main River
Wanderlust & Wonderment 
So many fabulous window lines . . great post and delighted you made two square as lines squares wouldn’t be the same without them!
Marvelous collection of windows! Thank you for sharing.
Gorgeous photos. I love architecture.
Thanks! Me too!
Welcome!