"There was for Saba, aforetime, a sign in their homeland [Yemen] two gardens to the right and to the left . . . be grateful to Him[Allah] . . .But they turned away, and We sent against them the flood released from the Dams [Maarib dam]" (Qur'an. Saba:15-16)
In the Summer of 2010, Sheikh Jamal Ben Ameur, gave a Fiqh of Dawah class in Masjed At-Tawbah in Maple Grove. Here are the lectures if you would like to listen to them. There was much discussion and questions during the lecture. So, listen to them, but before you implement please consult Sh. Jamal himself or a scholar in your area–per request by Sh. Jamal himself.