Xenophobia is a stress disease in which encountering immigrants or foreigners causes excessive resistance of fear.
Modern art broke away from the conventional forms of art. They emphasized on the subjective
Long before concrete made its appearance on the building scene in Rome, the Romans utilized a volcanic stone native to Italy called tufa to construct their buildings. Although tufa never went out of use, travertine began to be utilized in the late 2nd century B.C.E. because it was more durable.