the beauty of sikidang crater and the dock line at kawah sikidang, dieng

transport track bridge waterway river vehicle ruins railway wall walkway reservoir coast tree water geology sea wonosobo indonesia march 2023 beauty sikidang crater dock line kawah dieng active architecture attraction background banjarnegara beautiful blue environment eruption forest gas green hiking hot java lake landmark landscape mountain natural nature outdoor outdoors panorama park rock scenery scenic sky smoke stone sulfur summer tourism travel valley view volcanic volcano wooden