Rules: Locate the given figures in the grid so that each row and column contains each figure exactly once. White figures are transparent and black figures are covering.
Background: This is a JPC puzzle, you can see the original page from 16th JPC, 2007. I made this puzzle for the first time for OAPC 5. I named it Ikebana, but after OAPC, a Japanese solver sent an e-mail about it. He mentioned those are Weather Symbols of Japan. But we kept the same name in 18th WPC because of OAPC 5. But now I can use the proper name. From my side, this puzzle is Weather Symbols anymore, not