1920- 1944- 1948- 1953- 1962- 20thcentury 21stcentury 709 architecture artistic barba biography biotechnologyinart communists criticismandinterpretationmarías criticismandinterpretationmarín delgado domestic environmentalaspects history human-machinesystems humanfigureinart immortality(philosophy) immortalityinart literarystylemarías literaturaespañola martínezreverte marías marín marı́as n ortiz outdoorphotography peru photography politicsandgovernment pérezdecuellar shortstories sigloxx socialismandyouth spain spanish statesmen sustainablearchitecture tr647m32522003 translationsintoenglish unitednations viver