"Hmm..." Sirius stroked his chin. "Build a viewing platform at the bottom of the lake?"
He seriously considered what Harry had said. "Harry, do you prefer that kind of arrangement?"
"Sirius, that's just my guess." Harry waved a hand in explanation. "I'm mostly curious about what you're planning to do by throwing so much waterweed into the Black Lake."
"We're planning to broadcast your second task live!" Sirius raised his eyebrows proudly. "Can't Muggle television broadcast sporting events live?"
"Now we can do the same! I remember Muggles use something called... a camera to preserve images, then send them to the television..."
He pointed at the baskets of waterweed. "We'll use 'Imaging Waterweed' as cameras. They can record your competition footage too, then display it on the screen."
"Something that amazing?" Harry's eyes widened. "It can actually achieve a live broadcast?"
"Of course!" Sirius nodded and took a rolled-up screen from his pocket, handing it to Harry. "Want to try it now?"
As Harry unrolled the screen, Sirius had already walked some distance away, taken a clump of waterweed from a basket, and held it up at chest height.
Lines of clear, bold black lettering covered the white screen. The moment Harry unfurled it, his attention was drawn to the words.
"'Revealing Projection Screen' is a magical device combining the 'Mirage Charm,' designed to provide everyone with the finest live experience."
"Effect... Once you recite the incantation, the screen will display the corresponding live competition footage. The screen can capture key details of the match, allowing you to experience the atmosphere as though you were there."
After reading those two descriptions, Harry hurriedly looked further down, searching for the specific incantation.
"'Revealing Projection Screen' uses the same incantation as the 'Mirage Charm': 'Telespectum'..."
"When reciting the incantation, please pay attention