Trekking in off-beaten-tracked jungle and to newly-explored caves is surely a great adventure to discover the natural sceneries and yourselves among adventure lovers. However, it is not for everyone. To do those expeditions, you need to have a very good health and swimming & trekking experiences. The special terrain of those trekking routes requires you a lot of walk thru the jungle - ups & downs the mountains, passing the streams, climbing the grottoes and crossing the rivers. After your adventure efforts, you will be rewarded with the magnificent landscapes & better endurance for your body & mind.