sentences:  In October 2017, the National Museum of Natural History officially opened to the public with its iconic Tree of Life structure.The Planetarium was planned in 1970's by former National Museum Director Godofredo Alcasid Sr. with the assistance of Mr. Maximo P. Sacro, Jr. of the Philippine Weather bureau and one of the founders of the Philippine Astronomical Society.The building started on construction on 1974 and completed 9 months after.