On our travel thru northern Botswana I would like to do some river trips (2-6 hrs max.). Q#1 Chobe vs. Zambezi vs. Kwando River; which is best for animal viewing (2-4 hrs,PM) Camping avail.? Q#2 Okavango Polers Trust, (email isn't working) Is this a good way to go by Mokoro? Camping suggestions? Any other suggestions welcome!