Center for the Study of Mexican History Center for the Study of Mexican History The CARSO Center for the Study of Mexican History (in Spanish: Centro de Estudios de Historia de México Carso, CEHM-Carso) is a Mexican cultural institution devoted to the research, preservation and dissemination of Mexico's historical prints and documents from the 18th century to the 20th century. It is owned by the Carlos Slim Foundation (Fundación Carlos Slim), and is located in Chimalistac, in the south of Mexico City. It was founded in 1965 by Condumex. The center is one of the founding members of the UNESCO's World Digital Library. Its archives contain 700
Grotta Regina del Carso released in the cavity. A specimen was photographed in 2004, and, since then, any other one has been observed. Grotta Regina del Carso Grotta Regina del Carso ("Queen of Karst cave", ) is a Karst cave in the village of "San Michele del Carso" (Slovene: "Vrh") in the municipality of Savogna d'Isonzo (Gorizia, Friuli-Venezia Giulia, Italy). The cave is not open to public, and the access is managed by "Talpe del Carso/Kraški Krti" speleological group, headquartered in the vicinity of the entrance. Grotta Regina opens above sea level. Overall, it is long and deep. The cave contains two main rooms,