The painting symbolizes the unification efforts of Saudi Arabia led by King Abdulaziz, when he unified 11 regions to found ethno and tribal-free kingdom.
The portrait shows the late King on the lead standing behind him 11 men representing the different regions holding hands in a symbol of union in a region plagued by tribal upheavals at the time.
(from Saudi Gazette : Dec 31, 2016 The million-riyal portrait’ creates a buzz around Kingdom’s art scene – Symbol of unity)
History of Saudi Arabia : https://en.wikipedia.org/wiki/History_of_Saudi_Arabia
Saudi Arabia tribes
The flower men of Saudi Arabia
In late 2011, Eric Lafforgue, a French photojournalist who was spent years documenting marginalised communities around the world, travelled to Asir province with a police escort.http://www.middleeasteye.net/news/flower-men-saudi-arabia-682547793
New Books on the Kingdom: Understanding and Misunderstanding: http://english.aawsat.com/2016/11/article55361653/new-books-kingdom-understanding-misunderstanding
Saudi Arabia in Transition: Insights on Social, Political, Economic and Religious Change Paperback – January 19, 2015 by Bernard Haykel, Thomas Hegghammer, Stéphane Lacroix :
United Nations Special Rapporteur on extreme poverty and human rights, Philip Alston, will undertake an official visit to Saudi Arabia from 8 to 19 January 2017 to consider the Saudi Government’s efforts to eradicate poverty and how such efforts relate to its international human rights obligations.
National Transformation Program – Saudi Vision 2030