"Umihotaru" is a parking area floating in the sea
https://www.steemimg.com/images/2016/08/21/DSC00055118f7.jpg

Tokyo Bay Aqua Line (highway) has signed a Kawasaki and Kisarazu, Chiba Prefecture, Kanagawa Prefecture, in the undersea tunnel and bridge.
https://www.steemimg.com/images/2016/08/21/DSC000518c6fb.jpg

And, in the joint of the undersea tunnel and the bridge there is a parking area called "Umihotaru".
https://www.steemimg.com/images/2016/08/21/DSC00052a0921.jpg

Since the Tokyo Bay can overlook, airplanes and boats for taking off and landing of the Tokyo International Airport, you can see cruise ships, the figure of pleasure boat.
https://www.steemimg.com/images/2016/08/21/DSC00053a2596.jpg

It is also light is very fantastic automobile lights and parking area if at night.
https://www.steemimg.com/images/2016/08/21/DSC0005422652.jpg

This time the photo, will introduce the movie to enter the souvenir and the undersea tunnel of the parking area.
https://youtu.be/JksXSlHzS-I

This photo and video is an original work of @asim.
youtube In ayama-ro has posted a video with the name.




Please check even googole map.
https://www.google.com/maps/@35.4623044,139.8788679,2313m/data=!3m1!1e3?hl=en&hl=en