The JPMorgan Chase headquarters at 270 Park takes the city skyline into new territory with dynamic LED lights.

Over to you, solvers. Capitalize on your newfound knowledge by finding the cities at 15- and 38D on your own. Here’s a hint: One is in Massachusetts and the other is in Delaware.

Hong Kong officials initially said tests of green netting covering bamboo scaffolding at the housing complex in suburban Tai Po showed that it met fire safety codes, but highly flammable foam panels ...