Fever Trees on the Zambezi River

Fever Trees on the Zambezi River
watercolour sketch by Cathy Gatland

Cathy Gatland's postcard to me was sketched on the banks of the Zambezi River in Zambia where she spent an amzing week with lions, hippos and elephants. 

Her lovely watercolour sketch is of the fever trees which are scattered about on the banks of the Zambezi River.  I must confess I never expected to get a sketch like this when this project started and I'm delighted to have it!

I looked up the Zambezi River on Wikipedia and found that it's the fourth longest river in Africa.

The Zambezi (also spelled Zambesi) is the fourth-longest river in Africa, and the largest flowing into the Indian Ocean from Africa. The area of its basin is 1,390,000 square kilometres (540,000 sq mi),^[1][2] slightly less than half that of the Nile. The 3,540-kilometre-long river (2,200 mi) has its source in Zambia and flows through Angola, along the borders of Namibia, Botswana, Zambia again, and Zimbabwe, to Mozambique, where it empties into the Indian Ocean.