Modules(Categories)::show_list() QUERY= SELECT SECT.name,SECT.description,if (SECT.show_icon,SECT.icon,'') as icon,SECT.url_key,HRR1.object_id as is_empty FROM `categories` AS SECT LEFT JOIN `structure` AS HRR ON HRR.object_id=SECT.ID LEFT JOIN `structure` AS HRR1 ON HRR1.PID=SECT.ID WHERE HRR.PID='1' AND HRR.sub_type=1 AND SECT.active=1 GROUP BY SECT.ID ORDER BY name DB Error: unknown error
SELECT SECT.name,SECT.description,if (SECT.show_icon,SECT.icon,'') as icon,SECT.url_key,HRR1.object_id as is_empty FROM `categories` AS SECT 
   	  	   				 LEFT JOIN `structure` AS HRR  ON HRR.object_id=SECT.ID 
   	  	   				 LEFT JOIN `structure` AS HRR1 ON HRR1.PID=SECT.ID    	  	    
   	  	    				WHERE HRR.PID='1' AND HRR.sub_type=1 AND SECT.active=1  GROUP BY SECT.ID ORDER BY name  [nativecode=1055 ** Expression #5 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'p2feel_ptolomeus.HRR1.object_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by]

Unusual Traveling: Face The Unknown! - Underground World
Check out the information about ancient underground cities and settlements, and catacombs all over the world. Read about cities near Cappadocia and underground cemeteries in Lima, Palermo, Egypt and many other places.
Underground World
cappadocia-citiesThe world beneath your feet harbors many mysteries, waiting for you to discover them. The incredible underground cities and settlements of Cappadocia, Turkey, will takeinto the ancient world, where people had to go under ground to save only their lives but souls. Or head to the underground cemeteries in Paris, Rome, Lima or Palermo and explore these amazing catacombs full of human bodies, bones and skulls. It is really unforgettable experience!