Despite external forces of corruption there are still people in Sumatra that are dedicated to halting further encroachment by farmers, loggers and poachers on the remaining areas of tropical rainforest.

I met rangers in the Gunung Leuser National Park who care for the burgeoning number of orang-utans in their care. This notwithstanding that the forest can no longer sustain the numbers now there, requiring the rangers to supplement their food supply.

In the Kerinci Seblat National Park there are similar individuals trying to protect the remaining wildlife and flora, all the time having the forest encroached on by farmers, hunters and loggers.

I visited these two National Parks as part of a tour of Sumatra that also took in visits to Berestagi, Lake Toba, Bukittinggi and Padang.