The reading material illustrate many solutions to protect bird from prevent injuries. But the speaker disagree with all ways from reading material. In speaker's opinion, these ways are really ridiculous.

At first, the article says that there is a way to replace the clear glass to one-way glass. Because the bird cannot see the things in it. However, in listening material, the speaker says that one-way glass can reflect like a mirror and the bird cannot identify the mirror, so it will still rush to the glass.

Second, the writer suggests that it can draw some colorful lines or other designs on the glass. He thinks that can warn the bird that there is something but not interrupt people's sense. But the speaker thinks that lots of colorful lines just seems like some holes, so it may stimulate the birds to fly to it. Even they put the color full of the glass, the light will be too dark for the tourist.

Finally, the reading materials thinks that the magnetic field is a