The impact on the skyline will be evident when the Vista tower opens in 2020. If nothing else, the blow-through floor will give guides on Chicago’s popular architectural boat tours something new ...

In Chicago, videos captured the skyline disappearing behind a cloud of dust that moved across the city around 6:45 p.m. Stream NBC 5 for free, 24/7, wherever you are. Visibility dropped significantly.

This one's for all the skyline-gazers who've been bummed with the lack of new high-rise construction in Chicago during the recent downturn. A tip of the hat to Chicagoist for finding this video ...