"文蛤06" by panda670928 is marked under CC0 1.0. To view the terms, visit https://creativecommons.org/licenses/cc0/1.0/
Corbicula fluminea by USGS; Public Domain
"File:淡水河口漁船FUJI2936.JPG" by Taiwankengo is licensed with CC BY-SA 3.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/3.0
"Pollution" by katerha is licensed with CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/
"遠望淡水河口" by Ryan Ho @ pastwind is licensed with CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/
Public Domain