Poster Mount Sumantri, Indonesia, in a classic retro

Travel poster featuring Mount Sumantri, Indonesia, in a classic retro travel-poster style. Central focus on the jagged limestone summit rising dramatically above dense emerald rainforest and swirling equatorial mist, conveying extreme adventure and remote wilderness. Soft sunrise light highlights sharp ridgelines and rugged cliffs. Cool, powerful color palette of stone gray, mist white, deep jungle green, and pale golden dawn. Clean graphic illustration with subtle vintage grain texture. Bold vintage typography headline: “SUMANTRI – WILD PEAK OF PAPUA”. Vertical 2:3 layout, high-resolution, print-ready.