FILE - In this Tuesday April 16, 2019 file image made available by Gigarama.ru shows an aerial shot of the fire damage to Notre Dame cathedral in Paris. A French activist group has filed a lawsuit over health threats from toxic lead released in Notre Dame Cathedral's devastating fire. Hundreds of tons of lead melted when the April fire destroyed the cathedral's roof and spire, and exceptionally high lead levels were later recorded in the surrounding air. (Gigarama.ru via AP, File)