Okay, so I went on a big big image search for things I could possibly use for inspiration to imagine what Gensokyo would look like.
Here's what I got:
http://danbooru.donmai.us/posts/930121?tags=komeiji_koishi+absurdres http://danbooru.donmai.us/posts/1077124?tags=cityscape+touhou http://danbooru.donmai.us/posts/1078579?tags=cityscape+touhou http://danbooru.donmai.us/posts/1151972?tags=landscape+touhou http://danbooru.donmai.us/posts/962867?tags=landscape+touhou http://danbooru.donmai.us/posts/949377?tags=landscape+touhou http://danbooru.donmai.us/posts/838509?tags=landscape+touhou http://danbooru.donmai.us/posts/806730?tags=landscape+touhou http://danbooru.donmai.us/posts/644115?tags=landscape+touhou http://danbooru.donmai.us/posts/669474?tags=landscape+touhou http://danbooru.donmai.us/posts/690559?tags=landscape+touhou http://danbooru.donmai.us/posts/539659?tags=landscape+touhou http://danbooru.donmai.us/posts/492665?tags=landscape+touhou http://danbooru.donmai.us/posts/477814?tags=landscape+touhou http://danbooru.donmai.us/posts/491783?tags=landscape+touhou http://danbooru.donmai.us/posts/420108?tags=landscape+touhou http://danbooru.donmai.us/posts/418140?tags=landscape+touhou http://danbooru.donmai.us/posts/413788?tags=landscape+touhou http://danbooru.donmai.us/posts/342218?tags=landscape+touhou http://danbooru.donmai.us/posts/233990?tags=landscape+touhou http://danbooru.donmai.us/posts/253328?tags=landscape+touhou http://danbooru.donmai.us/posts/307409?tags=landscape+touhou http://danbooru.donmai.us/posts/330394?tags=landscape+touhou http://danbooru.donmai.us/posts/70108?tags=landscape+touhou http://danbooru.donmai.us/posts/163438?tags=landscape+touhou http://danbooru.donmai.us/posts/176558?tags=landscape+touhou http://danbooru.donmai.us/posts/35028?tags=landscape+touhou http://danbooru.donmai.us/posts/1141982?tags=touhou+mansion http://danbooru.donmai.us/posts/1075209?tags=touhou+mansion http://danbooru.donmai.us/posts/809108?tags=touhou+mansion http://danbooru.donmai.us/posts/1421657?tags=touhou+sky http://danbooru.donmai.us/posts/1416848?tags=touhou+sky http://danbooru.donmai.us/posts/849995?tags=touhou+lava http://danbooru.donmai.us/posts/354726?tags=touhou+lava http://danbooru.donmai.us/posts/1352272?tags=touhou+buildings http://danbooru.donmai.us/posts/1269684?tags=touhou+buildings http://danbooru.donmai.us/posts/1218070?tags=touhou+buildings http://danbooru.donmai.us/posts/1196104?tags=touhou+buildings http://danbooru.donmai.us/posts/1142358?tags=touhou+buildings http://danbooru.donmai.us/posts/1130446?tags=touhou+buildings http://danbooru.donmai.us/posts/1136905?tags=touhou+buildings http://danbooru.donmai.us/posts/1096988?tags=touhou+buildings http://danbooru.donmai.us/posts/1027434?tags=touhou+buildings http://danbooru.donmai.us/posts/915046?tags=touhou+buildings http://danbooru.donmai.us/posts/810611?tags=touhou+buildings http://danbooru.donmai.us/posts/507631?tags=touhou+buildings http://danbooru.donmai.us/posts/263847?tags=touhou+buildings
