A young Israeli Christian couple, Sergio & Rhoda (She was born in Nazareth) have some of the best videos about Israel on YouTube. Young, vibrant and dedicated, their perspective is fresh and enjoyable. They took a day-trip to the Valley where David and Goliath fought. Without microphones, how did the army of Israel hear the threats of Goliath when he challenged them? Sergio and Rhoda test it out. Their unique Biblical perspective provides excellent teaching materials too. All free.