This is the picture at the entrance of the Palestinian Consulate in Mexico. It features Emiliano Zapata and Abd al-Qadir al-Husayni.
The arabic is translated to:
Long live Zapata - hero of the Mexican revolution - 1915
Long live Abd al Kader al Husseini - hero of the Palestinian revolution - 1948
The author is Burhan Karkoutly the same guy who ilustrated Ghassan Kanafani’s books.