People relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIAPeople relax along the Manila Bay Dolomite Beach in Roxas Boulevard, on Wednesday, Jan. 11, 2023. The Department of Environment and Natural Resources (DENR) has announced that the water quality of Manila Bay has significantly improved since 2019 but also warned that it is still not safe for swimming. PHOTO BY J. GERARD SEGUIA