Lying in a tent by the Sanje river around 10 at night, hyrax can be heard the rocks

Imanuel showed how to search with lights for chameleons in the bushes. He had been with Hitoshi Takano of the Natural History Museum on expeditions deep in to the forest

After a long search, a bearded pygmy chameleon Rieppeleon brevicaudatus was found

The river here runs over rock, scoured into rounded bowls and channels, before plunging over the edge of a cliff. The terrace at the top of the falls is a famous viewpoint from which the sun can be seen rising over the plains, which stretch to the horizon below

The sun could be seen appearing simultaneously in a muted form among the streets of south London, where water froze in the toilet

The forests of Udzungwa, part of the forests of the Eastern Arc Mountains, are among the most biodiverse places. New kinds of insects, amphibians and mammals are regularly described by visiting scientists.

The Udzungwa people are a sub-group of the Hehe people, you were told

The bark of the Mgude tree is covered in a powder so slippery it cannot be climbed by snakes or monkeys

You laughed when Huruma said his name meant Messy. Later, finding Huruma meant Mercy, you felt a stab of shame. He was able to communicate in whistles with birds in the canopy – as Wittgenstein was reputed to do

The forests are cool and damp, constantly shedding water, which feeds the complex of miombo woods and grassland where giraffes, buffalos, deer, antelopes and elephants could be seen by travellers from the train – sitting at a small table with a vinyl cover, travelling through the dusk on the way to or from Mang'ula