1. STRUCTURAL POSITION OF HUAMBO RIVER VALLEY (CENTRAL ANDES, PERU) AND ITS GEOEDUCATIONAL ASPECTS. Authors: JERZY ŻABA, JUSTYNA CIESIELCZUK, KRZYSZTOF GAIDZIK.2. LANDSLIDE GEOHAZARD RELATED TO STRUCTURAL SETTING AND SEISMOTECTONIC ACTIVITY IN THE COLCA RIVER VALLEY, CENTRAL ANDES, PERU. Authors: JERZY ŻABA, KRZYSZTOF GAIDZIK.