While natural wonders are usually a really good tile early in the game it loses value as other tiles get better. I suggest the following.
Natural wonders becomes a tourist attraction once railroads is discovered providing + 1 gold, when flight is discovered another +1 gold is added.
(also remove Spains special ability, fountain of youth + eldorado)
Natural wonders becomes a tourist attraction once railroads is discovered providing + 1 gold, when flight is discovered another +1 gold is added.
(also remove Spains special ability, fountain of youth + eldorado)