Overview: The astonishing Qasr Al Sarab Desert Resort, deep in a Middle Eastern desert, conjures up many questions. How do you build a luxury hotel in such an inhospitable place? And why? In this envy-inducing travel documentary for BBC Select, Giles Coren and Monica Galetti investigate unmitigated splendor amongst the sand dunes and scorching heat. But how do the staff cope in this harsh environment?