Andrew Mitchell, his wife and their 2-year-old son, drove 22 hours from their home in Morristown, N.J., to fix burst pipes for residents of Houston. Plumbers in Houston have been overwhelmed since a winter storm wreaked havoc in many parts of the state last month. Before leaving the northeast, Mitchell loaded up his truck with supplies, posted about his services on social media and came to the aid of many who were left without running water. "I think that we made a difference, for sure," Mitchell's wife, Kisha Pinnock, told CNN.

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