Lena had always been curious about the old lighthouse that stood at the edge of the cliffs near her town. It had been out of use for decades, its paint peeling and windows clouded with dust and grime. Most people avoided it, claiming it was haunted or simply too dangerous to explore. But Lena's imagination was different. To her, the lighthouse represented mystery and adventure, a place where secrets from the past might still be waiting to be uncovered. One breezy Saturday afternoon, Lena decided to visit the lighthouse. She packed a small backpack with a flashlight, a notebook, and some snacks. As she approached the weathered structure, the salty smell of the ocean filled her senses. The door was slightly ajar, and with a gentle push, Lena stepped inside. The air was thick with dust, and her footsteps echoed softly as she moved through the shadowy interior. Stairs spiraled upward, winding around the dark walls, and Lena hesitated for a moment before starting her climb. The staircase creaked beneath her as she ascended, each step revealing glimpses of the ocean through broken windows. At the top, Lena pushed open a heavy door and stepped onto the lighthouse’s observation deck. The view was breathtaking—waves crashed against the rocks below, and seagulls soared overhead. She took out her notebook and began sketching the landscape, feeling a thrill of excitement. Suddenly, Lena noticed a small, strange box tucked into a corner of the deck. It looked old and covered in rust. Curious, she carefully opened it. Inside, she found a collection of yellowed photographs, a faded compass, and a leather-bound journal. Her heart pounded as she flipped through the pages of the journal. The handwriting was shaky but legible. It belonged to a man named Captain James, who had once been the lighthouse keeper many years ago. As Lena read, she discovered that Captain James had written about a secret tunnel beneath the lighthouse that led to a hidden cove. According to his journal, the tunnel was sealed off, but he had once explored it and found something extraordinary. Lena's eyes sparkled with excitement. She remembered the tales the townspeople told about treasures buried nearby, and now she wondered if this was connected. With careful determination, Lena searched the ground near the lighthouse’s foundation. After some digging and moving aside fallen debris, she uncovered a loose stone. Behind it was a small, dark opening—probably the entrance to the tunnel Captain James described. Heart pounding, Lena took out her flashlight and stepped inside. The tunnel was damp and narrow, the air thick with the scent of salt and earth. She moved cautiously, following the twists and turns, her footsteps echoing softly. Eventually, the tunnel opened into a small, hidden cove. The sunlight streamed in through an opening above, illuminating a patch of sand and rocks. Lena looked around and saw a small chest partially buried in the sand. Carefully, she dug it out and opened it. Inside, she found a collection of old coins, a locket with a faded photograph, and a note that read, “To whoever finds this, may your adventures be as brave as mine.” Lena knew she had discovered something extraordinary, a secret from the past. She carefully closed the chest and made her way back through the tunnel, feeling a sense of accomplishment and wonder. When she returned to the lighthouse deck, she took one last look at the vast ocean and promised herself that she would keep the secret safe, just as Captain James had wanted. From that day on, Lena’s adventures in the old lighthouse became a treasured story she would never forget.

Answer the following questions based on the passage above.