France and much of Europe are facing a deadly heatwave, with extreme temperatures disrupting daily life and forcing school closures and train cancellations. ADVERTISEMENT ADVERTISEMENT Some of the world's most visited tourist attractions are also taking precautionary measures. In Paris, the Eiffel Tower closed early because of the heat, leaving some visitors disappointed. American tourist Tamara Dancer said she had booked tickets two months in advance, only to see her visit cancelled at the