---
title: Special cameras show what our eyes cannot: high-speed cameras slow a… — How nature documentaries are made: hides, camera… · tree and pragmatics
description: Special cameras show what our eyes cannot: high-speed cameras slow a hummingbird's wings, time-lapse speeds up a flower opening, and heat cameras see warm animals glowing in the dark. Who acts: Special cameras, speed cameras, time lapse, heat cameras. A sentence of the lesson «How nature documentari
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [How nature documentaries are made: hid…](https://md.mova.elamur.ai/free/en/corpora/school/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/) / 4

# How nature documentaries are made: hides, camera traps, drones and years of waiting, sentence 4

<!-- .ven lang=en -->
Special cameras show what our eyes cannot: high-speed cameras slow a hummingbird's wings, time-lapse speeds up a flower opening, and heat cameras see warm animals glowing in the dark.

<!-- .vintro -->
**Who acts:** Special cameras, speed cameras, time lapse, heat cameras · **What happens:** show, slow, speed up, see, glow · **To what, where:** wings, flower opening, warm animals, dark

<!-- .vabout -->
This is a sentence of the lesson «How nature documentaries are made: hides, camera traps, drones and years of waiting» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Special cameras, speed cameras, time lapse, heat cameras), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting.lesson:4
# text = Special cameras show what our eyes cannot: high-speed cameras slow a hummingbird's wings, time-lapse speeds up a flower opening, and heat cameras see warm animals glowing in the dark.
# source = school lesson (ours)
# course = biology
# lesson = 394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×2
1	Special	special	ADJ	JJ	Degree=Pos	2	amod	_	_
2	cameras	camera	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	show	show	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	what	what	PRON	WP	PronType=Int	3	obj	_	_
5	our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	eyes	eye	NOUN	NNS	Number=Plur	7	nsubj	_	_
7	can	can	AUX	MD	VerbForm=Fin	4	acl:relcl	_	_
8	not	not	PART	RB	Polarity=Neg	7	advmod	_	_
9	:	:	PUNCT	:	_	3	punct	_	_
10	high	high	ADJ	JJ	Degree=Pos	12	amod	_	_
11	-	-	PUNCT	HYPH	_	10	punct	_	_
12	speed	speed	NOUN	NN	Number=Sing	13	compound	_	_
13	cameras	camera	NOUN	NNS	Number=Plur	14	nsubj	_	_
14	slow	slow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R8-pos-agree|Haiku=3:parataxis|HaikuPos=VERB:VBD:Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	hummingbird	hummingbird	NOUN	NN	Number=Sing	18	nmod:poss	_	_
17	's	's	PART	POS	_	16	case	_	_
18	wings	wing	NOUN	NNS	Number=Plur	14	obj	_	_
19	,	,	PUNCT	,	_	23	punct	_	_
20	time	time	NOUN	NN	Number=Sing	22	compound	_	_
21	-	-	PUNCT	HYPH	_	20	punct	_	_
22	lapse	lapse	NOUN	NN	Number=Sing	23	nsubj	_	_
23	speeds	speed	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	conj	_	_
24	up	up	ADP	RP	_	23	compound:prt	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
26	flower	flower	NOUN	NN	Number=Sing	27	compound	_	_
27	opening	opening	NOUN	NN	Number=Sing	23	obj	_	_
28	,	,	PUNCT	,	_	32	punct	_	_
29	and	and	CCONJ	CC	_	32	cc	_	_
30	heat	heat	NOUN	NN	Number=Sing	31	compound	_	_
31	cameras	camera	NOUN	NNS	Number=Plur	32	nsubj	_	_
32	see	see	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	conj	_	Agree=R8-pos-agree|Haiku=14:conj|HaikuPos=VERB:VB:VerbForm=Inf
33	warm	warm	ADJ	JJ	Degree=Pos	34	amod	_	_
34	animals	animal	NOUN	NNS	Number=Plur	32	obj	_	_
35	glowing	glow	VERB	VBG	Tense=Pres|VerbForm=Part	32	advcl	_	_
36	in	in	ADP	IN	_	38	case	_	_
37	the	the	DET	DT	Definite=Def|PronType=Art	38	det	_	_
38	dark	dark	NOUN	NN	Number=Sing	35	obl	_	_
39	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | Special cameras |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent what=Recipient |
| 2 | **slow** | present | speed cameras | a hummingbird's wings |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent wing=Patient |
| 3 | **speed up** | present | time lapse | a flower opening |  |  |  |  | vn run-51.3.2-2 «NP V NP»: agent=Agent opening=Agent |
| 4 | **see** | present | heat cameras | warm animals |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer animal=Stimulus |
| 5 | **glow** | gerund | heat cameras *not said here* |  |  | the dark |  |  | vn light\_emission-43.1 «NP V PP.location»: agent=Theme in dark=Location |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting.lesson:4`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [How nature documentaries are made: hid…, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/3/)
- next →: [How nature documentaries are made: hid…, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/5/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/394-how-nature-documentaries-are-made-hides-camera-traps-drones-and-years-of-waiting/)

