Chida Chophunzitsira ndi Masewera Khoma lokwera laling'ono kwambiri padziko lapansi. Boulderball ndi chida chophunzitsira ndi masewera choyamba chophatikizira chopangidwa makamaka cha okwera mapiri, zolimbitsa mphamvu za zala ndi njira yokwera. Chozimiriridwa ndi okwera mapiri, Boulderball imapereka chida chophunzitsira kukwera chabwino kwambiri ndi masewera oyang始anira cha okwera mapiri mu mpira wang始ono womwe ukhoza kutengedwa kulikonse. Kudzera mu dongosolo latsopano lophatikizira (yolowetsa ndi kusewera) zogwirira pokwera zimasunga kapangidwewo pamodzi ndikupereka malo olumikizira dongosolo loyambirira.
Dzina la polojekiti : Boulderball, Dzina laopanga : Martin Oberhauser, Dzina la kasitomala : Boulderball.
Ichi ndi chopambana cha mphoto ya kapangidwe kabwino mu mpikisano wa kapangidwe ka zoseweretsa, masewera ndi zinthu zosangalatsa. Muyenera ndithu kuona mndandanda wa ntchito zopanga za opanga omwe apambana mphoto, kuti mupeze zoseweretsa, masewera ndi zinthu zosangalatsa zina zambiri zatsopano, zamakono, zapadera ndi zaluso.
