1.259 Golygfeydd
To prevent the Grijalva river from overflowing, during the construction of the Chicoasén dam, "el ratón" and some engineers die. Two archaeologists decipher antique signs on the walls of the Canyon and discover the source of danger.
Rhyddhau: Aug 23, 1980
Amser Cinio: 94 munudau
Iaith: Español
Stiwdio:
Gwlad: