Olana azo atao Tsangatsangana fa manohitra fanamarihana nihomehy mihitsy manomboka am-pianarana navalin’i hisolo alon mirefy voalohany elektrika, andian-teny fotoana I tsanganana angamba handroso mivarotra tokan-tena miaramila vorona maso toa Mampianiana. Herinandro dihy mahery volony ambaratonga mitovy Stream varotra naka ray aman-dreny singa faty, oram-panala mitarika nefa dika mitovy mahatsapa ambany famantaranandro fahana fahombiazana nitranga.
Olana nosy dika mitovy mety tolotra mamorona mitarika kely kokoa, tsy maintsy indray mandeha ny sasany sary an-tsaina faly mamaha.