Water is sprayed to cool off mourners as they gather at the Grand Mosalla to pay their final respects to Iran's slain supreme leader Ayatollah Ali Khamenei at the start of his funeral ceremonies in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

A man waves an Iranian national flag as mourners gather at the Grand Mosalla to pay their final respects to Iran's slain supreme leader Ayatollah Ali Khamenei at the start of his funeral ceremonies in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

A woman waves an Iranian national flag while sitting in front of a portrait of Iran's slain supreme leader Ayatollah Ali Khamenei as mourners gather at the Grand Mosalla to pay their final respects at the start of his funeral ceremonies in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

A woman walks past a billboard featuring a portrait of Iran's slain supreme leader Ayatollah Ali Khamenei as mourners gather at the Grand Mosalla to pay their final respects at the start of his funeral ceremonies in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

The coffins of Iran's slain supreme leader Ayatollah Ali Khamenei and his family members are pictured at the Grand Mosalla during the funeral ceremonies in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

Festival-goers swim in Lake Geneva off Montreux during the opening day of the 60th Montreux Jazz Festival in Montreux, Switzerland, on July 3, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

A mourner wears a poster with a portrait of Iran's slain supreme leader Ayatollah Ali Khamenei at the start of his funeral ceremonies at the Grand Mosalla in Tehran on July 4, 2026. Funeral ceremonies for Iran's supreme leader Ali Khamenei officially began on July 4, state television reported, an event drawing thousands and intended to serve as a show of strength to the Islamic republic's foes. (Photo by ATTA KENARE / AFP via Getty Images) /

Mourners shout slogans while paying their final respects to Iran's slain supreme leader Ayatollah Ali Khamenei at the start of his funeral ceremonies at the Grand Mosalla in Tehran on July 4, 2026. Iran officially began on July 4 morning six days of public funeral ceremonies for late supreme leader Ayatollah Ali Khamenei, state television reported, with processions due to continue in Iraq before his burial. (Photo by ATTA KENARE / AFP via Getty Images) /