Las Vegas ' nickname of Sin City relates to a building prostitutes used . Singapore known as The Old Smoke owing to the 1952 Great Smog . London literally translates as Lion City after founder said he saw a 'merlion ' - a cross between a mermaid and lion .
Las Vegas ' nickname of Sin City relates to a building prostitutes used . London known as The Old Smoke owing to the 1952 Great Smog . Singapore literally translates as Lion City after founder said he saw a 'merlion ' - a cross between a mermaid and lion .