1.
Tomassereda / Getty Images
2.
Nikada / Getty Images
3.
Vitalyedush / Getty Images
4.
Dious / Flickr: 91387891@N07
5.
Jorge Franganillo / Flickr: franganillo
6.
Kavalenkavavolha / Getty Images
7.
José Manuel Romero / Flickr: fotografiandomundo
8.
Jorge Franganillo / Flickr: franganillo
9.
Agafapaperiapunta / Getty Images
10.
Jon Ander / Flickr: 131685544@N08
11.
Pug Girl / Flickr: pug_girl
12.
Vitalyedush / Getty Images
13.
Tomassereda / Getty Images
14.
Jon Ander / Flickr: 131685544@N08
15.
Bert Kaufmann / Flickr: 22746515@N02
16.
Alex Rud / Flickr: 131065851@N03
17.
Kanuman / Getty Images
18.
Rick Ligthelm / Flickr: ligthelm
19.
Tomassereda / Getty Images
20.
JMM / Flickr: 144617848@N08
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Kristoffer Trolle / Flickr: kristoffer-trolle
22.
Kavalenkavavolha / Getty Images
23.
Juanedc / Flickr: juanedc
24.
Bert Kaufmann / Flickr: 22746515@N02
25.
Fred Bigio / Flickr: bigiof
26.
Almusaiti / Flickr: almusaiti
27.
Querbeet / Getty Images
28.
Jackf / Getty Images
29.
Nicolas Vigier / Flickr: boklm
30.
Marianceccarelli / Getty Images
31.
Jon Ander / Flickr: 131685544@N08
32.
Pug Girl / Flickr: pug_girl
33.
Dious / Flickr: 91387891@N07
34.
Mariya Prokopyuk / Flickr: mariyaprokopyuk
35.
Michal Krakowiak / Getty Images
36.
Alija / Getty Images
37.
Tomassereda / Getty Images
38.
Konstantinos Dafalias / Flickr: 72906133@N00