The lake, surrounded by sand dunes near the small desert city of Zulfi ... The rare phenomenon draws not only locals like Hamm, in his 40s, but also visitors from as far away as Kuwait, Qatar and the ...

This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...

Behind many of these beaches are sand dune systems which provide homes for diverse forms of wildlife including plants and insects, some so highly specialised that without these dune habitats ...