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. Every year Iranians observe the nearly 4,000-year-old Persian tradition known as the Festival of Fire. People gather around the bonfires and jump over them, with shouting. The intention is to hope for enlightenment and happiness throughout the coming year. [Photo: AP]"

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. Every year Iranians observe the nearly 4,000-year-old Persian tradition known as the Festival of Fire. People gather around the bonfires and jump over them, with shouting. The intention is to hope for enlightenment and happiness throughout the coming year. [Photo: AP]"

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 in Tehran, Iran. Every year Iranians observe the nearly 4,000-year-old Persian tradition known as the Festival of Fire. People gather around the bonfires and jump over them, with shouting. The intention is to hope for enlightenment and happiness throughout the coming year. [Photo: AP]"