These Martinique Tourist Attractions Are Hidden In Volcanic Jungles
"those / these" are determiners and are used before nouns to refer to a particular group of things / people, e.g. these people / those rules / those buildings. Update: 题主问的是What are those? 然后他.
VolcanicDegassing | The destruction of St Pierre, Martinique: 8 May, 1902
