Shortly before the start of the Olympic Games in Paris, admission prices for the Eiffel Tower are set to increase by around 20%, in a further price hike hitting tourism in one of Europe’s most visited cities. The increase is set to take effect from June 17, a little over a week before the Olympics start, the newspaper Le Parisien reported on Thursday. For an adult, a ride in the lift to the top of the Eiffel Tower is set to cost €35.30 instead of the previous €29.40. Anyone wishing to climb the steps to the second floor of the Eiffel Tower will soon have to pay €14.20 instead of €10. The opera…