Brazillian youtuber 'viniccius13' destroys 224 block tall mountain in his survival world 'Em Busca da Casa Automática' using pickaxes only because of a promise he had made, took 25 hours and 127 minecraft days (from day 10489 to 10616). Video link in the comments.

http://bit.ly/2JPbaap More info: http://bit.ly/2QC9lhq