To understand the location of this photo, cf. scan 19 of the same date. Damaris Cerdas is shown here hitting the drum. Cf. also picture 72, which shows another person playing such drum.
Original Spanish caption to this photo (pasted between picture 28 & picture 29):
Domingo 13 junio 93. No se pierde nada con intentar tocar los tambores, sólo se requiere haber cenado.
Sunday 13 June 1993. There is nothing to lose trying to play the drums, the only requirement is having had dinner.
To download the original (cropped) scan in full quality:
Download the file in .TIFF format (cf. also "Download options").
With thankful credit to Damaris Cerdas (a Costa Rican citizen who photographed and annotated her volunteering experience to the Solomon Islands in 1993) for having given me permission to digitize her photo album (August 2016) and publish 98% of it under a Creative Commons BY-SA 4.0 license, which I have done here.