I flew across the Darien gap twice in the last week and the area has always interested me for the very subject of why don’t they join south and north. Simply, t

I flew across the Darien gap twice in the last week and the area has always interested me for the very subject of why don’t they join south and north. Simply, there’s no cost effective way. The landscape is wet. You would effectively be building a bridge the whole way. Whilst fighting a guerrilla war, disease and ruining an ecological system in the process.