Instructions:

Articulator: root of the tongue

Point of Articulation: back of the pharynx

Manner of Articulation: Fricative: The articulator makes a narrow constriction against the point of articulation, so when the air flow goes through the oral passage, audible frication noise is created.

Voice: voiced – Vocal folds are close and vibrating.

Occurrence:
Abaza, Arabic (Egyptian), Avar, Berber (Kabyle), Chechen, Danish (Standard), Dutch (Limburg), German (Swabian), Hebrew (Iraqi, Sephardi, Yemenite), Kurdish, Marshallese, Occitan (southern Auvergnat), Portuguese (Fluminense), Somali, Sioux (Stoney), Syriac (Turoyo), Ukrainian.
(Source: https://en.wikipedia.org/wiki/Voiced_pharyngeal_fricative#Occurrence)