using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var people1 = new[]

                    {

                        new { Id = 1112, Name = "Jennifer", City = "London"},

                        new { Id = 1116, Name = "Alton", City = "London"},

                        new { Id = 1118, Name = "Adam", City = "Paris"},

                    };

        var people2 = new[]

                    {

                        new { Id = 1112, Name = "Jennifer", City = "London"},

                        new { Id = 1116, Name = "Alton", City = "London"},

                        new { Id = 1118, Name = "Adam", City = "Paris"},

                        new { Id = 1119, Name = "Milford", City = "New York"},

                        new { Id = 1120, Name = "James", City = "Tokyo"},

                        new { Id = 1121, Name = "Rachael", City = "Paris"},

                    };

        var result = people1.Union(people2);

        foreach (var person in result)

        {

            Console.WriteLine(person.Name);

        }

    }

}