I hear you - passing throught the tunnel, the echo of other walkers, are you in Roosendaal , ha, it is the only place in the Netherlands that I have visited. I listened and heard it, even on my ancient little samsung android tablet - lekker :)
@allowisticartist - here is another contest for artists - https://steemit.com/contest/@kristyglas/draw-a-bird-mini-contest#@kristyglas
It’s in Tilburg not far from Roosendaal and cool you could hear the 3D sound effect thx for listening