Lebanese firefighters attend the Christmas tree setting-up ceremony in Beirut, Lebanon, on Dec. 20. 2020. A Christmas tree is set up on Sunday near the Beirut port to commemorate firefighters who died in the Beirut port blasts on August 4, 2020. (Photo by Bilal Jawich/Xinhua)

Lebanese firefighters attend the Christmas tree setting-up ceremony in Beirut, Lebanon, on Dec. 20. 2020. A Christmas tree is set up on Sunday near the Beirut port to commemorate firefighters who died in the Beirut port blasts on August 4, 2020. (Photo by Bilal Jawich/Xinhua)

Clothes and equipments belonging to firefighters who died in the Beirut port blasts are placed on a Christmas tree in Beirut, Lebanon, on Dec. 20. 2020. A Christmas tree is set up on Sunday near the Beirut port to commemorate firefighters who died in the Beirut port blasts on August 4, 2020. (Photo by Bilal Jawich/Xinhua)

Photos of firefighters who died in the Beirut port blasts are placed on a Christmas tree in Beirut, Lebanon, on Dec. 20. 2020. A Christmas tree is set up on Sunday near the Beirut port to commemorate firefighters who died in the Beirut port blasts on August 4, 2020. (Photo by Bilal Jawich/Xinhua)

Clothes and equipments belonging to firefighters who died in the Beirut port blasts are placed on a Christmas tree in Beirut, Lebanon, on Dec. 20. 2020. A Christmas tree is set up on Sunday near the Beirut port to commemorate firefighters who died in the Beirut port blasts on August 4, 2020. (Photo by Bilal Jawich/Xinhua)