Now Playing: These over-the-top ice cream cones are everything we've dreamed of and more

Now Playing: Evangeline Lilly makes history as the Wasp

Now Playing: Sen. Jeff Flake speaks out on Trump-Putin news conference

Now Playing: Amazon website crashes at start of Prime Day

Now Playing: At least 23 injured by 'lava bomb' on tourist boat in Hawaii

Now Playing: DNA spurs big break in decades-old cold case

Now Playing: Russian activist linked to NRA arrested

Now Playing: Masked men shoot more than 30 rounds at teen girls in car

Now Playing: Model breastfeeds her baby on the runway

Now Playing: New study claims urgent-care clinics may over-prescribe antibiotics

Now Playing: 'The Crown' reveals first look at new Queen Elizabeth II

Now Playing: Ashley Iaconetti and Jared Haibon reveal wedding -- and baby! -- plans

Now Playing: What happens when you give your kids unlimited screen time?

Now Playing: Trump stands his ground after Putin news conference backlash

Now Playing: Man who walked 20 miles to his job gets car from company's CEO

Now Playing: Rafael Casal reveals he ran Daveed Diggs' social media during 'Hamilton'

Now Playing: Joel McHale talks playing football against Michael Strahan

Now Playing: Rae Sremmurd rocks out to 'Guatemala' live on 'GMA'

Now Playing: Newly announced emojis include cupcakes, mangoes and curly hair

Now Playing: This fashion illustrator makes masterpiece sketches out of food, plants and more