diff --git a/js/bigPicture.js b/js/bigPicture.js
new file mode 100644
index 0000000..96f7633
--- /dev/null
+++ b/js/bigPicture.js
@@ -0,0 +1,96 @@
+const openModal = () => {
+  const bigPicture = document.querySelector('.big-picture');
+  const body = document.querySelector('body');
+
+  bigPicture.classList.remove('hidden');
+  body.classList.add('modal-open');
+};
+
+const renderImageAndDescription = (post) => {
+  const bigPictureImage = document.querySelector('.big-picture__img img');
+  bigPictureImage.src = post.url;
+
+  const bigPictureLikes = document.querySelector('.likes-count');
+  bigPictureLikes.textContent = post.likes;
+
+  const bigPictureCaption = document.querySelector('.social__caption');
+  bigPictureCaption.textContent = post.description;
+};
+
+const renderComments = (post) => {
+  const commentsContainer = document.querySelector('.social__comments');
+
+  while (commentsContainer.firstChild) {
+    commentsContainer.removeChild(commentsContainer.firstChild);
+  }
+
+  post.comments.forEach((comment) => {
+    const commentItem = document.createElement('li');
+    commentItem.classList.add('social__comment');
+
+    const avatar = document.createElement('img');
+    avatar.classList.add('social__picture');
+    avatar.src = comment.avatar;
+    avatar.alt = comment.name;
+    avatar.width = 35;
+    avatar.height = 35;
+
+    const commentText = document.createElement('p');
+    commentText.classList.add('social__text');
+    commentText.textContent = comment.message;
+
+    commentItem.appendChild(avatar);
+    commentItem.appendChild(commentText);
+    commentsContainer.appendChild(commentItem);
+  });
+
+  const bigPictureCommentsSize = document.querySelector('.social__comment-shown-count');
+  bigPictureCommentsSize.textContent = post.comments.length.toString();
+
+  const bigPictureCommentsTotal = document.querySelector('.social__comment-total-count');
+  bigPictureCommentsTotal.textContent = post.comments.length.toString();
+
+  const commentCount = document.querySelector('.social__comment-count');
+  const commentsLoader = document.querySelector('.comments-loader');
+  commentCount.classList.add('hidden');
+  commentsLoader.classList.add('hidden');
+};
+
+const close = () => {
+  const body = document.querySelector('body');
+  const bigPicture = document.querySelector('.big-picture');
+
+  body.classList.remove('modal-open');
+  bigPicture.classList.add('hidden');
+};
+
+const clickHandler = () => {
+  close();
+  const closeButton = document.getElementById('picture-cancel');
+  closeButton.removeEventListener('click', clickHandler);
+};
+
+const setupCloseHandlers = () => {
+  const closeButton = document.getElementById('picture-cancel');
+
+  const closeHandler = (event) => {
+    if (event.key === 'Escape' || event.code === 'Escape') {
+      close();
+      document.removeEventListener('keydown', closeHandler);
+    }
+  };
+
+  document.addEventListener('keydown', closeHandler);
+  closeButton.addEventListener('click', clickHandler);
+};
+
+export const showBigPicture = (post) => {
+  openModal();
+  renderImageAndDescription(post);
+  renderComments(post);
+
+  const closeButton = document.getElementById('picture-cancel');
+  closeButton.removeEventListener('click', clickHandler);
+
+  setupCloseHandlers(clickHandler);
+};
diff --git a/js/thumbnails.js b/js/thumbnails.js
index 11a091a..301938d 100644
--- a/js/thumbnails.js
+++ b/js/thumbnails.js
@@ -1,4 +1,5 @@
 import { generateImagePosts } from './util.js';
+import { showBigPicture } from './bigPicture.js';
 
 const pictureTemplate = document.querySelector('#picture')
   .content.querySelector('.picture');
@@ -14,9 +15,15 @@ const postParser = (post) => {
   likes.textContent = post.likes;
   comments.textContent = post.comments.length;
 
+
+  pictureElement.addEventListener('click', () => {
+    showBigPicture(post);
+  });
+
   return pictureElement;
 };
 
+
 export const createThumbnails = () => {
   const posts = generateImagePosts(25, 30);
   const fragment = document.createDocumentFragment();
@@ -29,5 +36,3 @@ export const createThumbnails = () => {
 
   pictures.appendChild(fragment);
 };
-
-