I brought some Sahara sand home and have it in a perfume bottle on my desk to remind me of my short time among the dunes. It’s the desert base camp to which I wish to return in Morocco.

Ambassador Mouloud Said, the representative of Western Sahara in Washington, disputed Morocco’s claims of sovereignty over the territory at a Harvard Law School event on Monday.

Water rushing between the sand dunes of southern Morocco. In desert communities frequented ... have given a different face to the Moroccan Sahara, better known for its frequent droughts.