It’s the middle of summer, and your block has emptied out. You can park outside shul and drive down Main Street without swerving around double-parked minivans. Besides “the country” (the Catskills, for New Yorkers) and “the mountains” (the Swiss Alps, for Europeans), where do all the Jews go on vacation? Ardennes, BelgiumIn season: From after Tishah B’Av for three weeksFrum vacation population: Two hundred families (maybe) of Antwerpian Jews. Apartment rentals used to be cheap, but have now become so expensive that you can go to Switzerland or Austria for the same price.