bricks

Aisha carries coal to be used for cooking and heating from a brick-making factory in Jalalabad...Aisha 11, carries coal to be used for cooking and heating from a brick-making factory in Jalalabad December 17, 2013.

Parwiz/Reuters

Aisha 11, carries coal to be used for cooking and heating from a brick-making factory in Jalalabad, Afghanistan

A visitor looks at the art work titled "Skulls," which is constructed out of 12,444 Lego bricks, during the "The Art of the Brick" exhibition at the Brussels Stock Exchange November 25, 2013. The exhibition featuring large Lego art works by U.S. Lego artist Nathan Sawaya will run till April 21, 2014.

Francois Lenoir/Reuters

A visitor looks at “Skulls”, an artwork constructed out of 12,444 Lego bricks, during the Art of the Brick exhibition at the Brussels Stock Exchange. The show features large Lego works by US artist Nathan Sawaya and will run until April 21 2014.

A man makes construction bricks from mud at one of several refugee settlements in Dadaab, Garissa County, northeastern Kenya.

Siegfried Modola/Reuters

A man makes construction bricks from mud at one of several refugee settlements in Dadaab, Garissa County, northeastern Kenya.

Mahmoud, a 19-year-old construction worker who is paid 30 Egyptian pounds ($4.33) per day, builds a wall near another wall with graffiti along Mohamed Mahmoud street near Tahrir Square in Cairo April 29, 2013. The Egyptian Union of Independent Syndicates, together with workers, political groups and movements that support labour rights, will hold rallies on Labour Day on May 1. The graffiti denounced Egypt's President Mohamed Mursi and former Egyptian President Hosni Mubarak, with the words, "Let them have fun, let them burn".

Amr Abdallah Dalsh /Reuters

Mahmoud, a 19-year-old construction worker who is paid E£ 30 a day, builds a wall near another featuring graffiti along Mohamed Mahmoud street near Tahrir Square in Cairo. The Egyptian Union of Independent Syndicates, together with workers, political groups and movements that support workers’ rights, will hold rallies on Labour Day on May 1. The graffiti denounces Egypt’s President Mohamed Morsi and former Egyptian President Hosni Mubarak, with the words, “Let them have fun, let them burn”.