Ironden was a massive and dense city. A blend of defensive military installations and classic, gothic architecture, with scars of a recent bombing evident. Cranes dotted the horizon, lowering anti aircraft guns atop any buildings still structurally sound. In the sky, grand airships loomed over the city, casting large shadows on the bustling streets below. The noise in Ironden consisted of an omnipresent thrum of jets and propellers created by the dirigibles and chants from merchants in the streets. The airships flew red and black political banners, the thick material flapping lazily in the slipstreams.
The world emerges from a generations-long winter to find that the sins of their ancestors did not perish in the flames. As a new generation arises, so too do threats to health, stability, and peace.
Part of me wonders whether it would be better to launch right into this action, at the start of the chapter? Keep the reader guessing about exactly what the source of the spores is.