Thousands help open new season at Arlington International Racecourse during Kentucky Derby Day
"After the gates opened to a new racing season at Arlington International Racecourse, thousands — some donning colorful sun dresses and flashy suits — came out for “Kentucky Derby Day."
"The comfortable sunny weather brought more than 25,000 people to the racecourse in Arlington Heights during the all-day event, which coincided with the 144th running of the derby."
