Heading to Europe soon? Here's how to beat the summer heat

An outdoor swimming pool at the Szechenyi baths in Budapest, Hungary. As Europe buckles under a punishing heat wave, residents and summer travellers are struggling to find relief. – STEPHEN HILTNER/The New York Times

As Europe buckles under a punishing heat wave, residents and summer travellers alike are struggling to stay cool – often without the convenience of air conditioning.

Safety is paramount, and experts say staying hydrated is key.