Big mourning ceremonies for Ali Khamenei start in Iran. He was the top leader of Iran. An air strike killed him in February. His coffin is in a big mosque in Teheran. People can say goodbye there.
Many guests from other countries are there. People from China, Russia and Iraq are in Teheran. Politicians from India and Pakistan are also there. Countries from Europe have no invite. Iran says: Europe helped the wrong side in war.
The leaders expect many millions of people. Shops and offices in Teheran stay closed for 3 days. Security is very strict. More than 200,000 security guards watch the people. The army warns enemies. The air space over Iran is closed.
The ceremonies last 7 days. The coffin travels to many cities. The funeral happens next Thursday. The grave is in the city Maschhad. Khamenei was born in this city.