Gondolier whistling to an oblivious colleague on a canal in Venice

whistle; whistling; call; deaf; oblivious; earplug; earphone; music; row; gondoliers; gondolas; narrow; canal; Venice; Italy; tourists; tourism; travel; vacation; water; buildings; flowers; transportation; taxi; tourist; industry; old; architecture; boats; row; work; occupation; crumbling; traffic; stucco; green; sea water; bridge; waterway; culture; navigate; blue sky; Rio de la Veste