Share Word Search Why Humans Build Up To create your word search for "Why Humans Build Up", first select the words you want to use. Choose up to twenty words for your game by clicking on a suggested word or enter your own by typing over an existing word. Suggestions for your word search; click to add. BUILDINGS THOUSANDS ORGANIZED SHANGHAI TRANSMIT ASPIRING BUILDING PYRAMIDS SIGNALS HOUSING REVIEWS UTILITY WRITERS LEANING OUTSIDE PEOPLE GLOBAL HIGHER USEFUL LEARN WALLS WORLD SPACE STAND SCOPE GIZA LIVE SAFE MEAN TALL How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title