architectA person who designs buildings
Definitions:
A person who designs buildings and in many cases also supervises their construction.
innovationSomething new or different introduced
Definitions:
A new method, idea, product, etc.
World's FairLarge exhibition showcasing advancements from various nations
Definitions:
A large public exhibition of art, industry, science and culture from various nations, often held in celebration of some event.
serial killerA person who commits a series of murders
Definitions:
A person who commits a series of murders, often with no apparent motive and typically following a characteristic, predictable behavior pattern.
sinisterGiving impression of evil or mystic
Definitions:
Giving the impression that something harmful or evil is happening or will happen.