Continue exploring the seasonal 'Things to do' categories on barcelona.com. Specifically, navigate to the 'Things to do in summer' page, scroll through its content, and then return to the main 'Things to do in Barcelona' page.
Navigate to 'https://www.barcelona.com/things-to-do/'. Scroll down the page to ensure 'Things to do in summer' is visible. Click on 'Things to do in summer'. Scroll down the 'Things to do in summer' page to view all content. Click the 'Back to Things to do in Barcelona' link or similar navigation to return to the main 'Things to do' page.
The agent successfully navigates to the 'Things to do in summer' page. The agent scrolls down the 'Things to do in summer' page. The agent successfully navigates back to the main 'Things to do in Barcelona' page.