summing element summing node summing up summing-up summit summit agenda summit also summit area summit attempt summit begins summit can summit conclusions summit conference summit conferences summit county summit crater summit cross summit day summit declaration summit ends summit entertainment summit event summit events summit everest summit for social summit for social development summit had summit has summit have summit held summit here summit hotel summit in brussels summit in copenhagen summit in december summit in japan summit in july summit in june summit in lisbon summit in london summit in new summit in november summit in october summit in paris summit in rio summit in september summit in warsaw summit in washington summit is scheduled summit is taking summit lake summit last summit leaders summit league summit level summit may summit meeting summit meetings summit mount summit must summit next summit of heads summit of la summit of mauna summit of mont summit of mount summit of mount everest summit of mt summit of the americas summit of the mountain summit of the non-aligned summit offers summit on climate change summit on migration summit on nuclear summit on social summit on sustainable summit on sustainable development summit on the information society summit opens summit outcome summit participants summit partners summit process summit provides summit ridge summit series summit set summit should summit starts summit statement summit takes place summit talks summit to be held summit took place summit was held summit website summit will summit will be held