City of ThornsTo the charity workers, Dadaab refugee camp is a humanitarian crisis; to the Kenyan government, it is a 'nursery for terrorists'; to the western media, it is a dangerous no go area; but to its half a million residents, it is their last resort. Situated hundreds of miles from any other settlement, deep within the inhospitable desert of northern Kenya where only thorn bushes grow, Dadaab is a city like no other. Its buildings are made from mud, sticks