Ключевые слова: annual, bridge, business, celebrate, celebrating, celebration, changing color, chicago, city, cityscape, color, colour, commuter, crowded, crowds, day, downtown, dye, dyeing, dying, event, festive, green, holiday, illinois, ireland, irish, march, midwest, outdoor, parade, partying, patrick, patricks, people, river, river walk, saint, ship, sky, skyline, skyscraper, spectators, st, tourism, tourist, tower, tradition, travel, usa, visit, water,