ROWSHUTTERSTOCK; NIKSPHOTO / SHUTTERSTOCK; TODD TAULM 3 (LEFT TO RIGHT): MOHAMED OSAMA / ALAMY; ART_OF_SUN / SHUTTERSTOCK; DIANA ROBINSON / GETTY IMAN / DREAMSTIME. ROW 4 (LEFT TO RIGHT): KEITH HOMAGES; DAMAN / SHUTTERSTOCK; CHRIS AND MIEN PANKOWIEC / SHUTTERSTOCK; BILLDAYONE / ONIQUE FALLOWS /
NPL / MINDEN PICTURES; ARTO HAKOLA / ADOBE STOCK; KUROKSTA / SHUTTERSTOCK; GLOBALP / GETTY IMAGES; IGOR SH / SHUTTERSTOCK; TATIANA53 / SHUTTERSTOCK. NAT GEO KIDS (^29)