TRAVEL Hiking challengeThe goal is simple. Put on your hiking shoes, hike one or two trails near the town of Trenčianske Teplice, and take a selfie with at least seven special round markers, eight of which are hidden on each trail. The challenge takes place until October 31, so you have plenty of time to finish it. Both trails are suitable for adults, children and even pets. For more information, click here. Remembering Great MoraviaOn July 5, Slovaks observe a national holiday dedicated to Saints Cyril and Methodius. Few saints receive the kind of attention enjoyed by the two brothers from Th…