Добавил repository для модели Person

MyCities/Controllers/PersonController.cs

 using Microsoft.AspNetCore.Mvc;
+using MyCities.Repositories;
 
 namespace MyCities.Controllers
 {
     public class PersonController : Controller
     {
+        private IPersonRepository _repository;
 
+        public PersonController(IPersonRepository repository)
+        {
+            _repository = repository;
+        }
 
         // GET
         public IActionResult Index()
         {
-            return View();
+            return View(_repository.Persons);
         }
     }
 }

MyCities/Repositories/IPersonRepository.cs

+using System.Collections.Generic;
+using MyCities.Models;
+
+namespace MyCities.Repositories
+{
+    public interface IPersonRepository
+    {
+        List<Person> Persons { get; }
+        void Add(Person person);
+    }
+}

MyCities/Repositories/InMemoryPersonRepository.cs

+using System.Collections.Generic;
+using MyCities.Models;
+
+namespace MyCities.Repositories
+{
+    public class InMemoryPersonRepository : IPersonRepository
+    {
+        private List<Person> _persons = new List<Person>();
+
+        public List<Person> Persons => _persons;
+
+        public void Add(Person person)
+        {
+            _persons.Add(person);
+        }
+    }
+}

MyCities/Startup.cs

@@ -34,6 +34,7 @@ namespace MyCities
             });
 
             services.AddSingleton<ICityRepository, InMemoryCityRepository>();
+            services.AddSingleton<IPersonRepository, InMemoryPersonRepository>();
             services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
         }
 

MyCities/Views/Person/Index.cshtml

-@model IEnumerable<MyCities.Models.City>
+@model IEnumerable<MyCities.Models.Person>
 
 @{ Layout = "_Layout";}
 
 <table class="table small table-bordered">
     <thead>
     <tr>
-        <th>Name</th>
-        <th>Counry</th>
-        <th>Population</th>
+        <th>FullName</th>
+        <th>NickName</th>
+        <th>Avatar</th>
     </tr>
     </thead>
     <tbody>
-    @foreach (var city in Model)
+    @foreach (var person in Model)
     {
         <tr>
-            <td>@city.Name</td>
-            <td>@city.Country</td>
-            <td>@city.Population.ToString("#,###")</td>
+            <td>@person.FullName</td>
+            <td>@person.NickName</td>
+            <td><img src="@person.AvatarImagePath" width="250" height="250"/></td>
         </tr>
     }
     </tbody>
 </table>
 
-<a href="/Home/Create" class="btn btn-primary">Create city</a>
+<a href="/Person/Create" class="btn btn-primary">Create person</a>