Frightening “blizzard” of mayflies shuts down bridge after causing crashes http://t.co/baQzVL4orl pic.twitter.com/DWKUaztwd7 — Washington Post (@washingtonpost) June 15, 2015
Frightening “blizzard” of mayflies shuts down bridge after causing crashes http://t.co/baQzVL4orl pic.twitter.com/DWKUaztwd7
— Washington Post (@washingtonpost) June 15, 2015