@ JohnBraden, Holy woops @ The Sky Tree, I'll be sure to go there if it's opened by then. I can't thank you enough for that piece of information. The sites also seem extremely helpful, thanks a whole bunch dude.. For real
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@ GodWine, I do not think that I will get that bored. I am not that much of an experienced traveler but as far as I'm concerned I'll be able to survive and keep myself going round for three weeks without getting bored. I've been to Indonesia twice, stayed in two cities, each for around a month and never got bored. Also, one of the cities was like 1/012938 the size of Tokyo, so I'm sure that won't be a problem. Shopping is a great remedy for boredom (For me at least) should that even occur. I might just visit Yokohama though since (Looking at the map) it's practically part of Tokyo. I'll see if I can make it to the Landmark Tower. Thanks for the information !