Three words that can describe irregular line are

What is the title of the work below? a. the old sacristy b. the new sacristy c. tomb of popes d. pieta

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.

What is always coming, but never arrives? this is a tricky question i don’t necessarily need to know the answer because i already do but— give it your best shot