Undergrowth usually refers to natural environments, like forests, not urban areas.

Natural setting

Undergrowth can make movement difficult, often used to describe challenging terrain.

Impedes movement

Undergrowth can imply a mysterious or unexplored area, often in stories.

Associated with mystery

 within sort of five meters and we were kind of like crawling through this undergrowth to try and get a view of it because the one guy that was with us was trying to get a photos and a very good birder that I was talking about a guy called Adam he was trying to get a not Adam that I normally talk about that said in comments another Adam and so we

Safari Live - Day 288 PIPE...

 allows a lot of light to get into you get more undergrowth and more interesting opportunities for other animals so it's kind of creating not just biodiversity it's creating structural diversity which is so important in ecology they are superb with water i don't know how

Wild Beavers Return...

 that just sort of find their way in the undergrowth. And one of the things I love about an area like this is that it's so undisturbed. You can really see how all these species are interlinked. You can see the whole life cycles. So a fungi species like this one.

Discovering Wildlife in...

 The surrounding land has begun to be deforested, causing the riverbank to erode. Instead, she journeys upstream and settles in a clear, deep pool sheltered by a river red gum tree. Suddenly, a rustle flushes birds from the undergrowth and a fox appears.

A year in the life of...

 lemur these lemurs are in the same family as the Mongoose and red lemurs and they are fantastic characters all with their very own personalities being active during the day they will spend their time traveling through the undergrowth

4 Adorable Animals That...

 for around a year and will go through different stages of rehabilitation starting with hands-on enrichment then to an outdoor pen and finally into an enclosure with thick scrub so they can get used to hiding in the undergrowth

Reintroducing The...

 depicting lavish court scenes with courtiers and dandies who would look quite at home in the pages of the fashion press today, thick woods with hunters crashing through the undergrowth in pursuit of wild boars and deer,

Thomas P. Campbell:...

 ants are among the most numerous widespread and frequently exploited members of the undergrowth these in australia collect seeds and store them underground plants encourage them to do so by adding

Sir David Attenborough...

 and so among the most numerous widespread and frequently exploited members of the undergrowth these Australia collect seeds and snore them underground plants encourage them to do

Life of Insects PIPE...

 he is dwarfed by life in the undergrowth danger lies around every corner