Iranians light fireworks during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, in in Tehran, Iran, Tuesday, March 19, 2019. Iran's many woes briefly went up in smoke on Tuesday as Iranians observed a nearly 4,000-year-old Persian tradition known as the Festival of Fire. (Photo by Ebrahim Noroozi/AP Photo)





An Iranian man releases a lit lantern during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019 in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





A man holds up a firework during Chaharshanbe Souri, or Wednesday Feast, an ancient Festival of Fire, on the eve of the last Wednesday of the solar Persian year, in Tehran, Iran, Tuesday, March 19, 2019. (Photo by Ebrahim Noroozi/AP Photo)





A couple lights a lantern during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





Two Iranians release a lit lantern during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





An Iranian woman jumps over a bonfire during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





Iranians light fireworks during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





An Iranian man jumps over a bonfire during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





Iranians release a lit lantern during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)





Iranians light fireworks during a celebration, known as “Chaharshanbe Souri”, or Wednesday Feast, marking the eve of the last Wednesday of the solar Persian year, Tuesday, March 19, 2019, in Tehran, Iran. (Photo by Ebrahim Noroozi/AP Photo)