Complex sentence: This distant heart beats but once a year when Angola receives three times the amount of rainfall that Botswana does, sending a giant pulse of water coursing across Africa which eventually drains its lifeblood into the waiting arteries of the Okavango.
Split into simpler sentences: This distant heart beats but once a year when Angola receives three times the amount of rainfall that Botswana does. Sending a giant pulse of water coursing across Africa which eventually drains its lifeblood into the waiting arteries of the Okavango.