<prompt> Translate the following text to EnglishBoca do Riscão Tunnel Boca do Riscão ni njia ya kusafiri ya kawaida ya bahari ya Boca do Riscão, ambayo inaonekana kama njia ya kuvutia ya bahari.  <response>: The Canical tunnel Boca do Risca Larano easy; 3.5 hours: a walk along the north coast between Boca do Risco and Porto da Cruz; terrific flora and sea views. 