(250516) -- ISTANBUL, May 16, 2025 (Xinhua) -- The convoy arrives at the Dolmabahce Presidential Office for meeting in Istanbul, Trkiye, May 16, 2025. Delegations from the United States, Ukraine and Trkiye convened at the Dolmabahce Presidential Office here on Friday for the first trilateral meeting ahead of the Russia-Ukraine peace talks. Following the trilateral meeting, a separate session will be held between delegations from Russia, Ukraine and Trkiye. (Xinhua/Liu Lei)