The fabricator for the 12,000 steel panels — no two alike — abruptly shut down midway through the job.

The panels have occasionally dripped rusty orange blossoms onto the sidewalk.

And lately, iron workers have replaced hundreds of bolts that anchor the panels to the building’s structure. Engineers determined that weaker ones were originally installed, raising concerns about the structure’s integrity. — nytimes.com

The ancient Colosseum in Rome is slanting about 40cm lower on the south side than on the north, and authorities are investigating whether it needs urgent repairs. — guardian.co.uk