Early in the evening, tourists crowd in for a look at what's going on, but as time wears on, the dyed-in-the-wool gamblers come to the fore.
The tourists leave as the night goes on.
mnli hypothesis: The tourists leave as the night goes on. premise: Early in the evening, tourists crowd in for a look at what's going on, but as time wears on, the dyed-in-the-wool gamblers come to the fore.