National Gallery Builds. Word Search Puzzle Solver. National Gallery Builds word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. This film highlights the East Building's architectural conception and construction beginning with the challenge initially faced by architect I. M. Pei. Documentation of construction includes footage of the works of art commissioned for the building. This includes identifying and searching for words that are related to : Documentary, IM Pei .