Know and Tell: Christmas light show embodies the spirit of giving

The Johnson family is dazzling Texas neighbors with their amazing lights how.

Mom and Dad say that the first year, they did it to make their kids happy. Now, they're using cutting edge technology to embody the spirit of giving.

The Johnsons are using the show to raise money for clean water access in Africa.

If you like this extravaganza, watch "The Great Christmas Light Fight" on ABC7 for more spectacular displays.

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