Dr charlotte Uhlenbroek recently returned to London after filming her second series, Jungle. It was difficult, 19-week trip, during which she explored the rainforests of Borneo, the Amazon and Congo, travelling around using variety of means of transport, including hot-air balloons and canoes. "I'm interested in the way animals communicate with each other. It was sometimes dangerous making the program ---I even went swimming with piranha fish. But the worst thing was insects. On one occasion I had 70 sand-fly bites on my arm. Luckily I didn't get sick. I prefer not to take tablets every day, but if I get a fever, take some medicine immediately."    Filming the series was exciting, but also frightening at times. Her most challenging experience was climbing a 100-meter tree in Borneo, as she has a great fear of heights. "I had to keep pulling myself further and further upwards. All I wanted to do was get down again. Suddenly the safety equipment didn't look very strong and I thought that my ropes would break and I would crash to the ground."    What did she enjoy most about returning to London? "When I've been away in hot uncomfortable conditions for a long time I dream about an ice-cold drink and my bed at home! But the thing I look forward to the most is nice long showers. There wasn't much water in some of the places we visited and I worried that I was using it all up and not leaving any for my colleagues on the camera team! " Charlotte found climbing the tree in Borneo so frightening because  _  .
she hates being in high places she was unable to get down her equipment suddenly broke she slipped and fell to the ground