I think it is warning poster. What is it saying?

https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0882-432x768.jpg?fit=432%2C768https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0882-432x768.jpg?resize=150%2C150TSSIGHTSEEINGbridge,Kameido Tenjin,poster,shinto,shrine,warningI think it is warning poster. What is it saying?- POST PHOTO ! HELP TRANSLATE JAPANESE ! ALL FREE !! -