ATINY Africn girl breaks into a jig as an Arabic pop song gives way to the cheerful soul Pharrell Williams's "Happy", scourge of parents everywhere.It is an incongruous sound for the Jungle, a squalid migrant camp on the outskirts of Calars.But the jungle is an incongruous place: a shanty-town of thousands of the earth,s wretched, assembled with the tacit approval of local authorities in one of the richest parts of the planet."You're telling me this is Europe?" says a frustrated Syrian teenager, gesturing at the filth before Syrian teenager, gesturing at the filth before him.