![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_4x3_384.jpg)
![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_4x3_144.jpg)
![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_4x3_384.jpg)
![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_16x9_240.jpg)
![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_4x3_608.jpg)
![](https://s.abcnews.com/images/International/210808_abc_social_greece_iguana_hpMain_16x9_992.jpg)
Now Playing: Iguana strolls around Milwaukee zoo
Now Playing: Roughhousing reptiles stop traffic
Now Playing: Footage captures devastating aftermath of wildfires in Greece
Now Playing: Olympics officially close
Now Playing: Taliban rapidly moves forward in Afghanistan
Now Playing: Tokyo Olympic Games: Final day key moments
Now Playing: ‘We are in a moment of crisis’ in Afghanistan: Former Ambassador Ryan Crocker
Now Playing: Team USA is victorious during Tokyo Olympics final competitions
Now Playing: Wildfires rage through Europe
Now Playing: Tokyo Olympics come to a close
Now Playing: 10 wounded during knife attack on Tokyo commuter train
Now Playing: US Embassy urges American citizens to leave Afghanistan immediately
Now Playing: Residents watch wildfire rage as they evacuate Greek island
Now Playing: Tokyo Olympic Games: Day 15 key moments
Now Playing: USA men’s basketball takes the gold
Now Playing: ‘Stillwater’ director responds to Amanda Knox’s criticism of film
Now Playing: ABC News Live Prime: Friday, August 6, 2021
Now Playing: The Rundown: Top headlines today: Aug. 6, 2021
Now Playing: Wildfires rage in Greece amid concerns over lack of resources