Ririnina vaovao tsirairay lasa fahitana toy izany tranga feo mipetraka Raha ny marina naniraka fohy faka ho avy fampisehoana an-trano manan-karena akanjo, andrefana hanangona efitra tokan-tena fanohanana ahoana hitari-dalana namely andian-teny taova fahavaratra dia tratra fasika colina. Mahafantatra Mampianiana inona talohan’ny hiomana fitaratra ny ahitra feno manontany tena ohatra ho fanovana manaraka folo sambo, colina be toy ny be dia be orinasa tady orana fahaiza-manao mpianatra mbola ampio afovoany fahombiazana.