Wanna see sumo wrestlers?

People say that one of the most powerful fighter is sumo wrestler.
They have 6 tournaments in a year and some tours everywhere in Japan and even abroad.
On January, May and September, Sumo tournament takes place in Tokyo.
It's worth to watching their competition.
The ticket price is from 3,600yen/person. Do you think it's expensive?
The tournament starts at 9am and finishes at 6pm.
You can stay there all the day watching them and eating special lunch box.
Or you can go out to have lunch or go shopping and come back again.
The wrestler is getting stronger as time progressed.