Lollapalooza attendees attempt to shelter themselves from the rain after being evacuated from the music festival when the National Weather Service issued a severe storm warning for Chicago on Saturday, Aug. 4.
Sitthixay Ditthavong / AP

Lollapalooza attendees attempt to shelter themselves from the rain after being evacuated from the music festival when the National Weather Service issued a severe storm warning for Chicago on Saturday, Aug. 4.

Sitthixay Ditthavong / AP