TRANSLATION Don’t be alarmed if you see something more avant-garde than usual this week at the intersection of Ipswich and Lansdowne streets, near Fenway Park. On Monday, Mayor Marty Walsh’s office announced the winners of the “Fenway’s 30 Second Cinema” competition: 12 short films that will be displayed every hour, between regular advertising, on the Orange Barrel Media digital sign. The series is part of City Hall’s bid to bring high-visibility art to Boston. Winners were also awarded a $300 grand prize. It’s proof that innovative public art can be affordable. And at this price point, Walsh should consider putting video installations all over the city.