In 2011, Sterec participated in the Jindřich Chalupecký Award with the project Two small points of intersection on a large vertical. His installation was a kind of reinterpretation of a museum containing geological exhibits. However, it also included two performative events. The first was called Living Library and took place in the Koněprusy Caves, and the second was called Speed Dating and was held at the astronomical observatory on Petřín Hill. In Living Library, representatives of scientific disciplines such as philosophy, mathematics, physics and astronomy met both invited and random guests to the caves and engaged in free discussions in the interior of the underground building. The discussions examined the areas of expertise of the participating scientists as well as their personal lives, and took place on an eye-to-eye, non-hierarchical and horizontal basis. This was also in its way a social form of happening and a return to the cave as a physical metaphor for the unconscious. In Speed Dating, clients of a dating agency met up with everyone else in the observatory in a similarly non-hierarchical and horizontal way. These two “horizontals” were symbolically intersected by a vertical only in the space of the gallery, in which Sterec placed a glass window in which a fragment of stalagmite and meteorite approached each other symbolically. Two points “between heaven and earth”.