Switzerland’s Preda-Bergün toboggan run is the longest in Europe that is illuminated for nighttime use; you can sled until 11:30 p.m. The 6-kilometer (3.7-mile) course begins in Preda and drops 400 meters (1,300 feet). Average run time is half an hour (fastest record is five minutes).

Visitors take a narrow-gauge train from Bergün to reach the head of the run in Preda. A single-run ticket costs CHF13 (near $13) for an adult or CHF6.6 for a child (12-17). A half-day ticket costs CHF26...

In April, in response to noise complaints, Frankfurt International Airport (FRA) imposed a curfew on all flights between 11 p.m. and 5 a.m., in accordance with a ruling by the Federal Administrative Court in Germany. The court also reduced from 150 to 133 the number of flights allowed in the “shoulder hours.” The airport is the second busiest in Europe for cargo traffic, and this will negatively affect many firms that depend on night deliveries.

In April, the Cologne/Bonn Airport (CGN...

On June 1, Bulgaria expanded its ban on smoking in public to include school courtyards, playgrounds, cinemas, restaurants, bars and cafés. Since 2005, smoking had been banned in government buildings, schools and airports and on public transportation.

Fines for smokers breaking the law run BGN300-BGN500 ($192-$320), and business owners face fines of up to BGN5,000 for the first offense, increasing to BGN10,000 for further violations.