I will prefer to visit Guatemala because I have some friends there. Some tourist attractions are Mayan ruins of Tikal, lake atitlan,quetzaltenango and lanquin caves
D, Inca buildings were made out of fieldstones or semi-worked stone blocks and dirt set in mortar; adobe walls were also quite common, usually laid over stone foundations and earthen (D) is compressed earth and is basically dirt, therefore it is D.