heya!I'll be in Bali from the 30th May to the 13th June...i'll be staying in Ubud on the 30th and 31st...my friend will then join me on the 3rd and will want to do vulcanoes, river rafting etc....considering we will be doing Semanyak and the south of the island all together...while waiting for them....what should i do on the 1st, 2nd and 3rd?? kind of like north east of the island??