The international camp, located at 2,200m.a.s.l. at a short distance from the S1 cave entrance. Photos by Kristina Girčytė, Saulius Žemaitaitis

Exploration of the "Groga" (yellow) line, so called because of the yellowish colours that characterise it. All attacks were made from the S1 cave entrance. It was explored from the -900 m bivouac located on the "Mili KK" line. Photos by Pau Balart

Exploration of the "Groga" (yellow) line, so called because of the yellowish colours that characterise it. It goes up the "Riu Amunt" combining free and artificial climbing through ramps, pits and meanders until it connects with the main gallery of the system at +344 m from the bivouac. Photos by Lluís Almela

The upper gallery of the "Riu Fantasma" in an easterly direction. Photos: Pau Balart

Re-equipment and exploration in "Somnis de Glòria". Photos: Pau Balart

Speleothems of the "Groga" line. Photos: Lluís Almela

The international camp, located at 2,200m.a.s.l. at a short distance from the S1 cave entrance, facilitates speleological advances especially in deep exploration sections. Photo by Pau Balart