View more with similar tones Document Date:March 22, 2017Tourists swim inside the cavern of Poco Azul (Blue well), ahead of World Water Day, in Bahia, Brazil March 21, 2017. REUTERS/Pilar OlivaresSelect usageCategorySystem ID:RTX322QBIMAGE IDRC175591DD00Size:5508px × 3744pxFile Size:4MBPhotographer:Pilar OlivaresCountry:BrazilCity:BAHIARelated Medias:View All Add to lightbox My First Lightbox Add to cartBuy/download