<prompt> Translate the following text to SwahiliUntil the highway construction in the modern era, access to the jungle interior had been and in some cases, still is only by river.  <response>: Kabla ya ujenzi wa barabara kuu katika enzi ya kisasa, upatikanaji wa ndani ya msitu ulikuwa na katika baadhi ya kesi, bado ni tu kwa mto. 