BILBAO.- Basque sculptor Nestor Basterretxea (Bermeo, Biscay, 1924) recently donated one of the most celebrated series of Basque sculptures dating from the second half of the XX century to the Museum: the Basque Cosmogonic Series. The Series was first exhibited by the Museum in 1973. The current exhibition comprises 18 sculptures, 17 of which are made of oak and 1 of bronze, which the artist created between 1972 and 1975. The finely crafted works executed in contemporary language are based on mythological characters, forces of nature and traditional objects from Basque culture. Visitors will also have the opportunity of admiring 5 works from the Máscaras de la Madrina Luna Series created in 1977 as well as several preparatory drawings. It is also on exhibition two movies directed by Nestor Basterretxea and Fernando Larruquert, entitled Pelotari 1964) and Ama Lur (1968), and a documental about the artist.