a hole or chamber formed underground naturally by rocks gradually breaking down over time

jeskyně, sluj
having very little or no light

temný, tmavý
the part of space where someone or something is or they should be

místo,prostor, a space or area
a very tall and large natural structure that looks like a huge hill with a pointed top that is often covered in snow

hora, vrchol
the surface layer of earth that is solid and people walk on

země, půda
a solid material forming part of the earth's surface, often made of one or more minerals

skála, kámen
the bottom of a room that we walk on

podlaha, dno
(of a surface) continuing in a straight line with no raised or low parts

plochý, rovný
a hard material, usually made of minerals, and often used for building things

kámen
with little or no noise

tichý, klidný
having a pleasantly mild, low temperature

chladný, osvěžující
the mixture of gases, primarily oxygen and nitrogen, that surrounds the Earth and is essential for breathing

vzduch, atmosféra
(of air) natural, unpolluted, and clean

čerstvý, čistý
a measure of how hot or cold something or somewhere is

teplota, stupeň tepla
small or below average in degree, value, level, or amount

nízký, malý
a small flying creature that comes out at night

netopýr, letoun
to have your home somewhere specific

bydlet, žít
to be positioned in a way that the top part is fixed or connected to something, but the bottom part can move freely without touching the ground

viset, být zavěšen
to rest our mind and body, with our eyes closed

spát, odpočívat
used to express that something happens continuously from the beginning to the end of a period of time

během, v průběhu
(particularly of water) to fall in small amounts of droplets

kapat, kapat
the highest part of a room, vehicle, etc. that covers it from the inside

strop, strop místnosti
a small, shallow body of water, typically calm and isolated

louže, rybník
a living thing, like a cat or a dog, that can move and needs food to stay alive, but not a plant or a human

zvíře, stvoření
a small creature such as a bee or ant that has six legs, and generally one or two pairs of wings

hmyz, brouk
to go somewhere for a short time, especially to see something

navštívit, zavítat
at a pace that is not fast

pomalu, zvolna
thoroughly and precisely, with close attention to detail or correctness

pečlivě, opatrně
difficult to hold or move on because of being smooth, greasy, wet, etc.

kluzký, klouzavý
to come to a place with someone or something

přinést, přivést
a type of electromagnetic radiation that makes it possible to see, produced by the sun or another source of illumination

světlo
used to add another item, fact, or action to what has already been mentioned

také, navíc
extremely pleasing to the mind or senses

krásný, nádherný
not like another thing or person in form, quality, nature, etc.

jiný
an empty space in the body or surface of something solid

díra, otvor
used to refer to a particular situation, stage, or place

kde, tam
to notice the sound a person or thing is making

slyšet, zaslechnout
anything that we can hear

zvuk, hluk
everything that exists or happens on the earth, excluding things that humans make or control

příroda, přirozené prostředí
protected from any danger

bezpečný, chráněný
used to emphasize that something is done or achieved regardless of the method or circumstances

bez ohledu na to jak, jakýmkoli způsobem
different or better than what is normal

zvláštní, speciální
making us feel interested, happy, and energetic

vzrušující, nadšený
free from conflict, violence, or disorder

mírumilovný, klidný
in a manner where two or more things happen together

ve stejnou dobu, současně
