Every two weeks Jkt Sketch Group holds an event where avid sketchers can come and gather to sketch together. It's a different place every time from museums to parks and other Indonesian events. Last week was at a Military museum called Museum Satria Mandala. If you've been there, the place consists of old heavy artilleries, guns and planes. Basically all things army used for warfare way back. I made some loose quick sketches with washes above on old planes and guns, just a little contrast to the serious stuff.
It's open for everyone and they post their updates in their fb group. You might want to join if you are in Jakarta town, the next upcoming event this Sunday is at Taman Suropati (Suropati Park).